des·cant
noun/ˈdeskænt/
/ˈdeskænt/
(music)- a tune that is sung or played at the same time as, and usually higher than, the main tune
高于主旋律的曲调；狄斯康特 Word Originlate Middle English: from Old French deschant, from medieval Latin discantus ‘part-song, refrain’.