An (almost) octave of an organ keyboard, the twelve notes of the dodecaphonic scale. Drawn in Inkscape. keyboard organ piano Organ keyboard
illustration of piano keys on abstract floral grungy background piano key audio Piano Keys on Abstract Background
Standard 88-key piano keyboard. Distance between octaves is approximately 165 mm, per http://en.wikipedia.org/wiki/Musical_keyboard. Relative key dimensions similar to some commercial electric pianos. piano keyboard technology Standard 88-key Piano Keyboard
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