anhemitonic pentatonic scale
Archaic music term for a pentatonic scale without semitones. Compare with 陽音階.
See also: 陽音階
The term 陽旋法 appears in theoretical writings on gagaku.
Compound of 陽 (yō, 'yang; positive') and 旋法 (senpō, 'mode; scale'). The exact historical derivation is uncertain; the term is associated with traditional Japanese music theory.