quarter tone

n.

四分音；

Quarter Tone
Quarter Tone
Quarter Tone
Microtonal Storm and Stress: Georgy Rimsky-Korsakov and Quarter-Tone Music in 1920s Soviet Russia
Quarter-tone thermal backprinting
Quarter-tone keyboard musical instrument
The Possibility of Quarter-Tone and Other New Scales
Toward a quarter-tone syntax: Analyses of selected works by Blackwood, Haba, Ives, and Wyschnegradsky
An empirical study of quarter-tone intonation
Quarter-tone production on the saxophone