Pipe(s), piccolo, piano, percussion, pianola and penny whistle all begin with
Pipes, a piccolo (small flute) and penny whistles are all wind instruments.
Percussion instruments are all those which are hit. The piano (short for pianoforte) is a percussion instrument as its strings are hit by hammers. A pianola is a mechanical piano, which works without a pianist, using punched cards to select the notes. It is also known as a player piano.