*chromatic-scale*

[Variable]
  `*chromatic-scale*`

Holds a tuning of the standard chromatic scale. Note names in the chromatic scale are formed by combining a pitch class name from (`c d e f g a b`) with an optional natural (`n`), sharp (`s`), flat (`f`), double-sharp (`ss`) or double-flat (`ff`) and an optional octave number -1 to 9. For example, `a4` is tuning A with a key number of 69, or 440 Hz; the note `c-1` is the C in the lowest octave, or key number 0 at 8.175798 Hz and note `bss9` is the highest note in the scale at key number of 133 with a frequency of 17739.684 Hz.

Table 1. Enharmonic note names in the standard chromatic scale.

0 | `c cn bs dff`
1 | `cs df bss`
2 | `d dn css eff`
3 | `ef ds fff`
4 | `e en ff dss`
5 | `f fn es gff`
6 | `fs gf ess`
7 | `g gn fss aff`
8 | `af gs`
9 | `a an gss bff`
10 | `bf as cff`
11 | `b bn cff ass`

#### See also:

- `*scale*` [Variable]