noun
A contrapuntal composition in which a melody is imitated by one or more voices after a given duration. Used in classical music contexts.
バッハの追複曲は対位法の傑作だ。
Bach's canons are masterpieces of counterpoint.
この追複曲は三声で書かれている。
This canon is written for three voices.
輪唱 specifically refers to a round or circular canon, often for voices, whereas 追複曲 is a broader term for any imitative contrapuntal piece.
Compound of 追 (follow) + 複 (repeat) + 曲 (musical piece), literally 'follow-repeat piece'. The exact historical derivation is uncertain, but the term reflects the imitative structure of a canon.