noun
solfège syllable; note name in movable do
In movable do solfège, 階名 refers to the relative note name (do, re, mi, etc.) that changes with the key, as opposed to 音名 (fixed pitch name).
移動ド唱法では、調によって階名が変わる。
In movable do solfège, the solfège syllables change depending on the key.
階名で歌う練習をすると、音程が取りやすくなる。
Practicing singing with solfège syllables makes it easier to hit the right pitches.