quarter-tone
- n half of a semitone
- But it was the quarter-tone pianothe piano of tomorrow, according to Pianist Earthwhich amazed.
- Any young jazz player can certainly stand some formal polishing of his delayed triplets, skimmed notes, quarter-tone vibratos and other "words" in the jazz vocabulary.
- Inventor-Pianist Hans Barth played for them on his quarter-tone piano.