File:Player Piano Rolls.JPGDescriptionPlayer Piano Rolls.JPG A stack of player piano rolls, some in boxes, some not. Date 27 July 2010 Source Own work Author S8333631 Permission
File:Player piano keyboard.jpgfollowing user names refer to en.wikipedia. 2006-04-27 09:08 JazzNZ 188×276×8 (35636 bytes) A player piano in action performing a piano roll. English