♭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.Ī number by itself (without any other notation) is assumed to represent a major chord. Here is an example of how two four bar phrases can be formed to create a section of a song.Īccidentals modifying a scale degree are usually written to the left of the number. 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). So in the key of C, the Nashville Number System notation: Unless otherwise notated, all numbers represent major chords, and each chord should be played for one measure. The only knowledge required is to know the major scale for the given key. They are simply relative to the new root note. The numbers do not change when transposing the composition into another key. The key may be specified at the top of the written chord chart, or given orally by the bandleader, record producer or lead singer. In the key of C, the numbers would correspond as follows: It is also similar to roman numeral analysis however, the NNS instead uses Arabic numerals to represent each of the scale degrees.
![nashville number system chart for songs nashville number system chart for songs](https://i.ytimg.com/vi/uq05J5NOk6s/maxresdefault.jpg)
The Nashville Number System, (also referred to as NNS) is similar to (movable-do) Solfège, which uses "Do Ré Mi Fa Sol La Ti" to represent the seven scale degrees of the Major scale.