カバー曲[kabaakyoku] remake of another artist's song (a "cover")
サイン曲線[sainkyokusen] sinusoid
愛唱曲[aishoukyoku] favourite song
委曲[ikyoku] details
一曲[ikkyoku] tune (melody, piece of music)

迂曲[ukyoku] meander
円曲[enkyoku] roundabout way (of speaking or working)
円錐曲線[ensuikyokusen] conic curve
円舞曲[enbukyoku] waltz (composition)
演曲[enkyoku] musical program

改編[kaihen] reorganization
共編[kyouhen] joint editorship
共編者[kyouhensha] coeditor
後編[kouhen] latter part
再編[saihen] reorganization

再編成[saihensei] reorganization
最終編成[saishuuhensei] final form
史料編纂[shiryouhensan] historiography
詩編[shihen] book containing a collection of poems
手編み[teami] hand knitting