ロ調ちょうロちょうMeanings1nounkey of BmusicUsed in musical contexts to indicate the key of B major or B minor; the exact mode is often specified separately (e.g., ロ長調 for B major, ロ短調 for B minor).この曲きょくはロ調ちょうで書かかれている。This piece is written in the key of B.
