Pfaffian constraint: Difference between revisions

Latest revision as of 17:02, 9 January 2013

In music, Roman numeral analysis involves the use of Roman numerals to represent chords. In this context, Roman numerals (I, II, III, IV, ...) typically denote scale degrees (first, second, third, fourth, ...). When a Roman numeral is used to represent a chord, it is meant to indicate the scale degree corresponding to its root note, which is the note on which the chord is built. For instance, III is the Roman numeral which denotes either the third degree of a scale, or the chord built on that degree. In many cases, uppercase Roman numerals (such as I, IV, V) represent major chords while lowercase Roman numerals (such as i, iv, v) represent the minor chords (see Major and Minor below for alternative notations); elsewhere, upper-case Roman numerals are used for all chords.^[2]

In the most common day-to-day use, Roman numerals allow musicians to quickly understand the progression of chords in a piece. For instance, the standard twelve bar blues progression is denoted by the roman numerals I7 (first), IV7 (fourth), and V7 (fifth). In the key of C (where the notes of the scale are C, D, E, F, G, A, B), the first scale degree (Tonic) is C, the fourth (Subdominant) is F, and the fifth (Dominant) is a G. So the I7, IV7, and V7 chords are C7, F7, and G7. Similarly, if one were to play the same progression in the key of A (A, B, CTemplate:Music, D, E, FTemplate:Music, GTemplate:Music) the I7, IV7, and V7 chords would be A7, D7, and E7. In essence, Roman numerals provide a way to abstract chord progressions, by making them independent of the selected key. This allows chord progressions to be easily transposed to any key.

Overview

Roman numeral analysis is the use of Roman numeral symbols in the musical analysis of chords. In music theory related to or derived from the common practice period, Roman numerals are frequently used to designate scale degrees as well as the chords built on them.^[2] In some contexts, arabic numerals with carets are used to designate scale degrees (_{Template:Music});Potter or Ceramic Artist Truman Bedell from Rexton, has interests which include ceramics, best property developers in singapore developers in singapore and scrabble. Was especially enthused after visiting Alejandro de Humboldt National Park. theory related to or derived from jazz or modern popular music may use Roman numerals or arabic numbers (1, 2, 3, etc...) to represent scale degrees (See also diatonic function). In some contexts an arabic number, or careted number, may refer also to a chord built upon that scale degree.Potter or Ceramic Artist Truman Bedell from Rexton, has interests which include ceramics, best property developers in singapore developers in singapore and scrabble. Was especially enthused after visiting Alejandro de Humboldt National Park. For example, $\hat{1}$ or 1 may both refer to the chord upon the first scale step.Potter or Ceramic Artist Truman Bedell from Rexton, has interests which include ceramics, best property developers in singapore developers in singapore and scrabble. Was especially enthused after visiting Alejandro de Humboldt National Park.

Gottfried Weber's Versuch einer geordneten Theorie der Tonsetzkunst (Theory of Musical Composition) (Mainz, B. Schott, 1817-21) is credited with popularizing the analytical method by which a chord is identified by the Roman numeral of the scale-degree number of its root.Potter or Ceramic Artist Truman Bedell from Rexton, has interests which include ceramics, best property developers in singapore developers in singapore and scrabble. Was especially enthused after visiting Alejandro de Humboldt National Park. However, the practice originated in the works of Abbé Georg Joseph Vogler, whose theoretical works as early as 1776 employed Roman numeral analysis (Grave and Grave, 1988) ^[3]

Common practice numerals

Roman numeral analysis symbols^[4]^[5]
Symbol	Meaning	Examples
Uppercase Roman numeral	Major triad	I
Lowercase Roman numeral	Minor triad	i
Superscript °	Diminished triad	i°
Superscript ⁺	Augmented triad	I⁺
Superscript number	added note	V⁷, I⁶
Two or more numbers	figured bass notation	V^{4 - 3}, ITemplate:Su (equivalent to Ic)
Lowercase b	First inversion	Ib
Lowercase c	Second inversion	Ic
Lowercase d	Third inversion	V⁷d

The current system used today to study and analyze tonal music comes about initially from the work and writings of Rameau’s fundamental bass. The dissemination of Rameau’s concepts could only have come about during the significant waning of the study of harmony for the purpose of the basso continuo and its implied improvisational properties in the later 18th century. The use of Roman numerals in describing fundamentals as “scale degrees in relation to a tonic” was brought about, according to one historian, by John Trydell’s Two Essays on the Theory and Practice of Music, published in Dublin in 1766.^[6] However, another source says that Trydell used Arabic numerals for this purpose, and Roman numerals were only later substituted by Georg Joseph Vogler.^[7] Alternatives include the functional hybrid Nashville number system^[8] and macro analysis.

Jazz and pop numerals

Mining Engineer (Excluding Oil ) Truman from Alma, loves to spend time knotting, largest property developers in singapore developers in singapore and stamp collecting. Recently had a family visit to Urnes Stave Church.

In music theory aimed towards jazz and popular music, all triads are represented by upper case numerals, followed by a symbol to indicate if it is not a major chord (e.g. "-" for minor or "ø" for half-diminished):

E Major:

E maj⁷ becomes I maj⁷
FTemplate:Music -⁷ becomes II -⁷
GTemplate:Music -⁷ becomes III -⁷
A maj⁷ becomes IV maj⁷
B⁷ becomes V⁷
CTemplate:Music -⁷ becomes VI -⁷
DTemplate:Music^ø7 becomes VII^ø7

Major

Scale degree (major mode)	Tonic	Supertonic	Mediant	Subdominant	Dominant	Submediant	Leading tone
Traditional notation	I	ii	iii	IV	V	vi	vii^°
Alternative notation	I	II	III	IV	V	VI	VIIPotter or Ceramic Artist Truman Bedell from Rexton, has interests which include ceramics, best property developers in singapore developers in singapore and scrabble. Was especially enthused after visiting Alejandro de Humboldt National Park.
Chord symbol	I Maj	II min	III min	IV Maj	V Maj	VI min	VII dim

Minor

Scale degree (minor mode)	Tonic	Supertonic	Mediant	Subdominant	Dominant	Submediant	Subtonic	Leading tone
Traditional notation	i	ii^°	III	iv	v	VI	VII	vii^°
Alternative notation	I	iiPotter or Ceramic Artist Truman Bedell from Rexton, has interests which include ceramics, best property developers in singapore developers in singapore and scrabble. Was especially enthused after visiting Alejandro de Humboldt National Park.	iii	iv	v	vi	vii
Chord symbol	I min	II dim	Template:MusicIII Maj	IV min	V min	Template:MusicVI Maj	Template:MusicVII Maj	VII dim

Sources

43 year old Petroleum Engineer Harry from Deep River, usually spends time with hobbies and interests like renting movies, property developers in singapore new condominium and vehicle racing. Constantly enjoys going to destinations like Camino Real de Tierra Adentro.

Template:Chord progressions Template:Chord symbols Real Estate Agent Renaldo Lester from Saint-Jean-Chrysostome, has several hobbies which include leathercrafting, property developers in singapore apartment for sale, this contact form, and crochet. Loves to see new cities and places like Ruins of Loropéni.

↑ Jonas, Oswald (1982). Introduction to the Theory of Heinrich Schenker (1934: Das Wesen des musikalischen Kunstwerks: Eine Einführung in Die Lehre Heinrich Schenkers), p.22. Trans. John Rothgeb. ISBN 0-582-28227-6. Shown all uppercase.
↑ ^2.0 ^2.1 Sessions, Roger (1951). Harmonic Practice. New York: Harcourt, Brace. LCCN 51008476. p. 7.
↑ Grave, Floyd Kersey and Margaret G. Grave (1988). In Praise of Harmony: The Teachings of Abbé Georg Joseph Vogler.
↑ Bruce Benward & Marilyn Nadine Saker (2003), Music: In Theory and Practice, seventh edition, 2 vols. (Boston: McGraw-Hill) Vol. I, p. 71. ISBN 978-0-07-294262-0.
↑ Taylor, Eric (1989). The AB Guide to Music Theory, Part 1. London: Associated Board of the Royal Schools of Music. ISBN 1-85472-446-0. pp. 60–61.
↑ Dahlhaus, Carl. "Harmony." Grove Online Music Dictionary
↑ Richard Cohn, "Harmony 6. Practice". The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell (London: Macmillan Publishers, 2001).
↑ Gorow, Ron (2002). Hearing and Writing Music: Professional Training for Today's Musician, second edition (Studio City, California: September Publishing, 2002), p. 251. ISBN 0-9629496-7-1.

[1] Jonas, Oswald (1982). Introduction to the Theory of Heinrich Schenker (1934: Das Wesen des musikalischen Kunstwerks: Eine Einführung in Die Lehre Heinrich Schenkers), p.22. Trans. John Rothgeb. ISBN 0-582-28227-6. Shown all uppercase.

[roger-2] 2.0 ^2.1 Sessions, Roger (1951). Harmonic Practice. New York: Harcourt, Brace. LCCN 51008476. p. 7.

[3] Grave, Floyd Kersey and Margaret G. Grave (1988). In Praise of Harmony: The Teachings of Abbé Georg Joseph Vogler.

[4] Bruce Benward & Marilyn Nadine Saker (2003), Music: In Theory and Practice, seventh edition, 2 vols. (Boston: McGraw-Hill) Vol. I, p. 71. ISBN 978-0-07-294262-0.

[eric-5] Taylor, Eric (1989). The AB Guide to Music Theory, Part 1. London: Associated Board of the Royal Schools of Music. ISBN 1-85472-446-0. pp. 60–61.

[6] Dahlhaus, Carl. "Harmony." Grove Online Music Dictionary

[7] Richard Cohn, "Harmony 6. Practice". The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell (London: Macmillan Publishers, 2001).

[8] Gorow, Ron (2002). Hearing and Writing Music: Professional Training for Today's Musician, second edition (Studio City, California: September Publishing, 2002), p. 251. ISBN 0-9629496-7-1.

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[2]

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+[[Image:Scale degree numbers.png|thumb|350px|Root position triads of the C major scale with Roman numerals.<ref>[[Oswald Jonas|Jonas, Oswald]] (1982). ''Introduction to the Theory of Heinrich Schenker'' (1934: ''Das Wesen des musikalischen Kunstwerks: Eine Einführung in Die Lehre Heinrich Schenkers''), p.22. Trans. John Rothgeb. ISBN 0-582-28227-6. Shown all uppercase.</ref> {{audio|Root position triads from C major scale.mid|Play}}]]
+[[Image:Scale degree Roman numerals minor.png|thumb|350px|Root position triads of the C minor scale with Roman numerals. {{audio|Scale degree Roman numerals minor.mid|Play}}]]
+In [[music]], '''Roman numeral analysis''' involves the use of [[Roman numeral]]s to represent [[chord (music)|chords]]. In this context, Roman numerals (I, II, III, IV, ...) typically denote [[Degree (music)|scale degrees]] (first, second, third, fourth, ...). When a Roman numeral is used to represent a chord, it is meant to indicate the scale degree corresponding to its [[Root (chord)|root note]], which is the note on which the chord is built. For instance, III is the Roman numeral which denotes either the third degree of a scale, or the chord built on that degree. In many cases, uppercase Roman numerals (such as I, IV, V) represent major chords while lowercase Roman numerals (such as i, iv, v) represent the minor chords (see [[#Major|Major]] and [[#Minor|Minor]] below for alternative notations); elsewhere, upper-case Roman numerals are used for all chords.<ref name=roger>Sessions, Roger (1951). ''Harmonic Practice''. New York: Harcourt, Brace. LCCN 51008476. p. 7.</ref>
+In the most common day-to-day use, Roman numerals allow musicians to quickly understand the progression of chords in a piece. For instance, the standard [[Twelve-bar blues|twelve bar blues]] progression is denoted by the roman numerals I7 (first), IV7 (fourth), and V7 (fifth). In the key of C (where the notes of the scale are C, D, E, F, G, A, B), the first scale degree ([[Tonic (music)|Tonic]]) is C, the fourth ([[Subdominant]]) is F, and the fifth ([[Dominant (music)|Dominant]]) is a G. So the I7, IV7, and V7 chords are C7, F7, and G7. Similarly, if one were to play the same progression in the key of A (A, B, C{{music|#}}, D, E, F{{music|#}}, G{{music|#}}) the I7, IV7, and V7 chords would be A7, D7, and E7. In essence, Roman numerals provide a way to abstract chord progressions, by making them independent of the selected key. This allows [[chord progression]]s to be easily transposed to any key.
+== Overview ==
+'''Roman numeral analysis''' is the use of Roman numeral symbols in the [[musical analysis]] of [[chord (music)|chords]]. In [[music theory]] related to or derived from the [[common practice period]], Roman numerals are frequently used to designate [[degree (music)|scale degree]]s as well as the chords built on them.<ref name=roger/> In some contexts, [[arabic numeral]]s with [[caret]]s are used to designate scale degrees (<sub>{{music|scale|1}}</sub>);{{citation needed|date=May 2013}} theory related to or derived from [[jazz]] or modern [[popular music]] may use Roman numerals or arabic numbers (1, 2, 3, etc...) to represent scale degrees ''(See also [[diatonic function]])''. In some contexts an arabic number, or careted number, may refer also to a chord built upon that scale degree.{{citation needed|date=May 2013}} For example, <math>\hat 1</math> or 1 may both refer to the chord upon the first [[musical scale|scale]] step.{{citation needed|date=May 2013}}
+[[Gottfried Weber]]'s ''Versuch einer geordneten Theorie der Tonsetzkunst'' (''Theory of Musical Composition'') (Mainz, B. [[Schott (publisher)|Schott]], 1817-21) is credited with popularizing the analytical method by which a chord is identified by the Roman numeral of the scale-degree number of its root.{{Citation needed|date=March 2012}}  However, the practice originated in the works of [[Abbé Georg Joseph Vogler]], whose theoretical works as early as 1776 employed Roman numeral analysis (Grave and Grave, 1988) <ref>Grave, Floyd Kersey and Margaret G. Grave (1988). In Praise of Harmony: The Teachings of Abbé Georg Joseph Vogler.</ref>
+==Common practice numerals==
+[[File:Type of triads-2.png|thumb|right|300px|''Types of triads'': {{audio|Major triad on C.mid|I}}, {{audio|Minor triad on C.mid|i}}, {{audio|Diminished triad on C.mid|i{{music|diminished}}}}, {{audio|Augmented triad on C.mid|I<sup>+</sup>}}]]
+{|
+!Roman numeral analysis symbols<ref>Bruce Benward & Marilyn Nadine Saker (2003), ''Music: In Theory and Practice'', seventh edition, 2 vols. (Boston: McGraw-Hill) Vol.&nbsp;I, p.&nbsp;71. ISBN 978-0-07-294262-0.</ref><ref name=eric>Taylor, Eric (1989). ''The AB Guide to Music Theory, Part 1''. London: Associated Board of the Royal Schools of Music. ISBN 1-85472-446-0. pp. 60–61.</ref>
+|-
+!Symbol || Meaning || Examples
+|-
+||Uppercase Roman numeral || [[Major chord|Major triad]] || I
+|-
+||Lowercase Roman numeral || [[Minor chord|Minor triad]] || i
+|-
+||Superscript ° || [[Diminished triad]] || i°
+|-
+||Superscript <sup>+</sup> || [[Augmented triad]] || I<sup>+</sup>
+|-
+||Superscript number || added note|| V<sup>7</sup>, I<sup>6</sup>
+|-
+||Two or more numbers || figured bass notation|| V<sup>4 - 3</sup>, I{{su|b=4|p=6}} (equivalent to Ic)
+|-
+||Lowercase b || First inversion|| Ib
+|-
+||Lowercase c || Second inversion|| Ic
+|-
+||Lowercase d || Third inversion|| V<sup>7</sup>d
+|}
+The current system used today to study and analyze tonal music comes about initially from the work and writings of [[Jean-Philippe Rameau#Treatise on Harmony, 1722|Rameau’s fundamental bass]]. The dissemination of Rameau’s concepts could only have come about during the significant waning of the study of harmony for the purpose of the basso continuo and its implied improvisational properties in the later 18th century. The use of Roman numerals in describing fundamentals as “scale degrees in relation to a tonic” was brought about, according to one historian, by John Trydell’s ''Two Essays on the Theory and Practice of Music'', published in Dublin in 1766.<ref>Dahlhaus, Carl. "Harmony." Grove Online Music Dictionary</ref> However, another source says that Trydell used Arabic numerals for this purpose, and Roman numerals were only later substituted by [[Georg Joseph Vogler]].<ref>Richard Cohn, "Harmony 6. Practice". ''The New Grove Dictionary of Music and Musicians'', second edition, edited by [[Stanley Sadie]] and [[John Tyrrell (professor of music)|John Tyrrell]] (London: Macmillan Publishers, 2001).</ref> Alternatives include the functional hybrid [[Nashville number system]]<ref>Gorow, Ron (2002). ''Hearing and Writing Music: Professional Training for Today's Musician'', second edition (Studio City, California: September Publishing, 2002), p.&nbsp;251. ISBN 0-9629496-7-1.</ref> and [[macro analysis]].
+==Jazz and pop numerals==
+{{Main|Universal key}}
+In music theory aimed towards [[Jazz Harmony|jazz and popular music]], all triads are represented by upper case numerals, followed by a symbol to indicate if it is not a major chord (e.g. "-" for minor or "ø" for half-diminished):
+E Major:
+*E maj<sup>7</sup> becomes I maj<sup>7</sup>
+*F{{music|#}} -<sup>7</sup> becomes II -<sup>7</sup>
+*G{{music|#}} -<sup>7</sup> becomes III -<sup>7</sup>
+*A maj<sup>7</sup> becomes IV maj<sup>7</sup>
+*B<sup>7</sup> becomes V<sup>7</sup>
+*C{{music|#}} -<sup>7</sup> becomes VI -<sup>7</sup>
+*D{{music|#}}<sup>ø7</sup> becomes VII<sup>ø7</sup>
+===Major===
+{| class="wikitable"
+|-
+|'''Scale degree <br />(major mode)''' || [[tonic (music)|Tonic]] || [[Supertonic]] || [[Mediant]] || [[Subdominant]] || [[dominant (music)|Dominant]] || [[Submediant]] || [[Leading tone]]
+|-
+|'''Traditional notation''' ||align=center| I ||align=center| ii ||align=center| iii ||align=center| IV ||align=center| V ||align=center| vi ||align=center| vii<sup>°</sup>
+|-
+|'''Alternative notation''' ||align=center| I ||align=center| II ||align=center| III ||align=center| IV ||align=center| V ||align=center| VI ||align=center| VII{{Citation needed|date=March 2012}}
+|-
+|'''Chord symbol''' ||align=center| I Maj ||align=center| II min ||align=center| III min ||align=center| IV Maj ||align=center| V Maj ||align=center| VI min ||align=center| VII dim
+|}
+===Minor===
+{| class="wikitable"
+|'''Scale degree <br />(minor mode)''' || Tonic || Supertonic || Mediant || Subdominant || Dominant || Submediant || [[Subtonic]] || Leading tone
+|-
+|'''Traditional notation''' ||align=center| i ||align=center| ii<sup>°</sup> ||align=center| III ||align=center| iv ||align=center| v ||align=center| VI ||align=center| VII ||align=center| vii<sup>°</sup>
+|-
+|'''Alternative notation''' ||align=center| I ||align=center| ii{{Citation needed|date=March 2012}} ||align=center| iii ||align=center| iv ||align=center| v ||align=center| vi ||align=center|  vii
+|-
+|'''Chord symbol''' ||align=center| I min ||align=center| II dim ||align=center| {{music|flat}}III Maj ||align=center| IV min ||align=center| V min ||align=center| {{music|flat}}VI Maj ||align=center| {{music|flat}}VII Maj ||align=center| VII dim
+|}
+==Sources==
+{{reflist}}
+{{Chord progressions|state=collapsed}}
+{{Chord symbols}}
+[[Category:Chords]]
+[[Category:Musical analysis]]
+{{Link FA|de}}

Pfaffian constraint: Difference between revisions

Latest revision as of 17:02, 9 January 2013

Contents

Overview

Common practice numerals

Jazz and pop numerals

Major

Minor

Sources

Navigation menu

Pfaffian constraint: Difference between revisions

Latest revision as of 17:02, 9 January 2013

Overview

Common practice numerals

Jazz and pop numerals

Major

Minor

Sources

Navigation menu

Search