a roll of paper containing perforations such that air passing through them actuates the keys of a player piano.
a perforated roll of paper actuating the playing mechanism of a Pianola Also called music roll
- Piano stool
noun 1. a stool on which a pianist sits when playing a piano, esp one whose height is adjustable
- Piano trio
noun 1. an instrumental ensemble consisting of a piano, a violin, and a cello 2. a piece of music written for such an ensemble, usually having the form and commonest features of a sonata
noun 1. a person who tunes pianos and sometimes other keyboard instruments.
noun 1. a very thin steel wire of high tensile strength.