What is PianoSoft? PianoSoft is software containing professionally recorded song files that play through your instrument. Originally designed to utilize the moving the keyboard and pedals of Yamaha Disklaviers, PianoSoft can now be used by many Yamaha keyboards and digital pianos as well. While the "player piano" functions of the software are limited to Disklaviers, keyboard users can still enjoy the magnificent sound of these unique recordings. Learn more