sj | ||
|
User Name | Thread Name | Subject | Posted |
Peter the Squeezer | Piano keys colour change (17) | RE: Piano keys colour change | 28 Aug 12 |
Standard compass of an organ manual is 5 octaves, or 61 keys, from C to C. This comes from the normal range of the human voice, from bottom of bass range to top of soprano, extended to the next C in each direction. |