The keyboard of a keyboard instrument; also, the keyboard, pedals and stops of an organ.the "desk" part of the organ which contains all those parts of the instrument that are at the organist's command, such as the pistons, manuals, pedals, and stops, but not the pipes<br><br>A vertical, or upright, piano 40" to 42" in height.<br><br>A set of controls and their housing, which control all signals necessary for recording and mixing.