Heptachord
[heptәkɒ:d]
解释:
(n.) A system of seven sounds.
(n.) A lyre with seven chords.
(n.) A composition sung to the sound of seven chords or tones.
整理:梅
解释:
n. in Greek music a diatonic series of seven tones containing five whole steps and one half-step: an instrument with seven strings.
卡斯特罗校对