The Nashville Number System is a method of transcribing music by denoting the scale degree on which a chord is built. It was developed by Neal Matthews in the late 1950s as a simplified system for The Jordanaires to use in the studio and further developed by Charlie McCoy. It resembles the Roman numeral and figured bass systems traditionally used to transcribe a chord progression since as early as the 1700s.
The Nashville Number System can be used by someone with only a rudimentary background in music theory. Improvisation structures can be explained using numbers and chord changes can be communicated mid-song by holding up the corresponding number of fingers. The system is flexible, and can be embellished to include more information (such as chord color or to denote a bass note in an inverted chord). The system makes it easy for bandleaders, record producer or lead vocalist to change the key of songs when recording in the studio or playing live, since the new key just has to be stated before the song is started. The rhythm section members can then use their knowledge of harmony to perform the song in a new key.
Video Nashville number system
Scale degrees and major chords
The Nashville Number System, (also referred to as NNS) is similar to (movable-do) Solfège, which uses "Do Re Mi Fa Sol La Ti" to represent the seven scale degrees of the Major scale. It is also similar to roman numeral analysis; however, the NNS instead uses arabic numbers to represent each of the scale degrees.
In the key of C, the numbers would correspond as follows:
C=1, D=2, E=3, F=4, G=5, A=6, B=7.
In the key of B?, the numbers would be B?=1, C=2, D=3, E?=4, F=5, G=6, A=7.
The key may be specified at the top of the written chord chart, or given orally by the bandleader, record producer or lead singer. The numbers do not change when transposing the composition into another key. They are simply relative to the new root note. The only knowledge required is to know the major scale for the given key. Unless otherwise notated, all numbers represent major chords, and each chord should be played for one measure.
So in the key of C, the Nashville Number System notation:
1 4 1 5
represents a four-bar phrase, in which the band would play a C major chord (one bar), an F major chord (one bar), a C major chord (one bar), and a G major chord (one bar).
Here is an example of how two four bar phrases can be formed to create a section of a song.
Accidentals modifying a scale degree are usually written to the left of the number. ?7 ("flat 7") represents a B? major chord in the key of C, or an A? major chord in the key of B?, or an F major chord in the key of G.
Maps Nashville number system
Chord type
A number by itself represents the enharmonic triad (music) on the scale degree:
If the song includes other chords besides these triads, additional notation is needed.
If a chord root is not in the scale, the symbols ? or ? can be added. In the key of C major, an E? triad would be notated as 3?.
Minor chords (outside the key) are noted with a dash after the number or a lower case m, In the key of D, 1 is D major, 1- or 1m would be D minor. Similarly a major chord can be noted with a capital M. In the key of C, 2 is D minor, 2M is D major.
Other chord qualities such as major sevenths, suspended chords, and dominant sevenths use familiar symbols: 4?7 5sus 57 1 would stand for F?7 Gsus G7 C in the key of C, or E??7 Fsus F7 B? in the key of B?. A superscript 2 means "add 2" or "add 9".
Chord inversions and chords with other altered bass notes are notated analogously to regular slash chord notation. In the key of C, C/E (C major first inversion, with E bass) is written as 1/3; G/B is written as 5/7; A/G (an inversion of A7) is written as 6/5; F/G (F major with G bass) is 4/5. Just as with simple chords, the numbers refer to scale degrees; specifically, the scale degree number used for the bass note is that of the note's position in the tonic's scale (as opposed to, for example, that of its position in the scale of the chord being played). In the key of B?, 1/3 stands for B?/D, 5/7 stands for F/A, 6/5 stands for Gm/F, and 4/5 stands for E?/F.
Rhythm and articulation
NNS charts use unique rhythmic symbols as well, and variations in practice exist. A diamond shape around a number indicates that the chord should be held out or allowed to ring as a whole note. Conversely, the marcato symbol ^ over the number, or a staccato dot underneath, indicates that the chord should be immediately choked or stopped. The "push" symbol ("<" and ">" are both used) syncopates the indicated chord, moving its attack back one eighth note, to the preceding "and". A sequence of several chords in a single measure is notated by underlining the desired chord numbers. (Some charts use parentheses or a box for this.) If you underline two numbers it is assumed that the chord values are even. In 4/4 time that would mean the first chord would be played for two beats and the second chord would be played for two beats. 2- 5 1 means a minor 2 chord for two beats, then a 5 chord for two beats, then a 1 chord for four beats. If the measure is not evenly divided, beats can be indicated by dots or hash marks over the chord numbers. Three dots over a given chord would tell you to play that chord for three beats. Alternatively, rhythmic notation can be used.
Example
"After You've Gone" by Creamer and Layton 1918
Verse, mm.7-23 ( Play realization on guitar and, for comparison, the score Play ):
16 . . . | 27 . 57 . | 16 . . . | 27 . 57 . 37 . 6°7 37 | 6- 3 6- . | 2 . 67 27 | 5 27 57 . 16 . . . | 27 . 57 . | 17 . . . | 4 . . . ?4°7. . . | 1 . 67 . | 27 . 57 . | 1 . 1+7 .
Chorus, mm.24-43 ( Play realization on guitar and, for comparison, the score Play ):
46 . 4? . | 4-6 . ?77 . | 1? . . . | 67 . . . 27 . . . | 57 . . . | 16 . . . | . . . 1+7 46 . 4? . | 4-6 . ?77 . | 1? . . . | 67 . . . 2-7 . 67 . | 2-7 . 4-6 ?77 | 16 . 37 . | 6-7 . 27 . 16 . . . | 47 . 57 . | 16 . 2-7 . | 1 . .
Chord Quality Guide
- = minor
7 = dominant 7th
? = major 7th - (it takes four characters to write "maj7" as opposed to one, "?")
° = diminished
°7 = diminished seventh
°M7 = diminished major seventh
+ = augmented 5th
ø = ø7 = half diminished seventh
+7 = augmented minor seventh
+M7 = +? = augmented major seventh
See also
- Chord chart § Nashville notation
External links
- The Nashville Number System by Chas Williams -- This book has been used by Belmont University, MTSU, ETSU, Lee University, Liberty University and many others to teach the NNS. It includes the CD "String Of Pearls and number charts of the songs by Nashville studio musicians and producers; also interactive charts of the songs.
- The Nashville Number Fake Book by Trevor de Clercq -- This book includes a detailed overview of the Nashville Number System as well as complete charts for 200 acclaimed country songs.
- The Nashville Number System - Site for the book Song Charting Made Easy: a play-along guide to the Nashville number system by Jim Riley, with a preview including charts and play-along music tracks
- Interactive NNS chart
- The Number Song - a chart with (auto-playing) audio explanation and playthrough by Jimi Whitelaw, Chip Hardy, Rod Lewis, and Tim Grogan of Nashville Demo Studio. Shows standard musical notation such as repeat signs, D.S. al coda, rhythmic notation, and staccato dots used in a Nashville number system chart.
- Learn the Nashville Number System - information on rhythm notation is included in the Flash-based "Nashville Number System Quiz and Rhythm Tutorial". Also includes a separate Flash-based ear training quiz.
- Oral use example: "Ok.. it's a standard 12 bar in "G" but add a 2 on the bridge ...kick it off from the 5 ... hit the 4 on the way down and then into the 1 ... watch me for the 2"
- Diamond on the 1 - a "gig bag book" by Nashville musician Jonathan Riggs that introduces the basic concepts of the Nashville Number System
Source of the article : Wikipedia
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