楽がく調ちょうがくちょうMeanings1nounmusical toneRefers to a tone or note in a musical context. A somewhat technical term; in everyday conversation, 音 (おと) or 音色 (ねいろ) may be more common.この楽がっ器きは美うつくしい楽がく調ちょうを奏かなでる。This instrument produces beautiful musical tones.