vocal coaching; singing instruction
Refers to the act or practice of teaching singing, often in a choir, music class, or professional training context.
At choir practice, a specialist teacher gives vocal coaching every time.
She provides singing instruction to musical theatre actors.
ボイストレーニング is a broader term for voice training, often including breathing and vocal health, while 歌唱指導 focuses specifically on teaching how to sing songs or vocal pieces.
Compound of 歌唱 (singing) and 指導 (instruction, guidance).