conductus
/kənˈdʌktəs/Definitions
1. noun
A medieval musical composition, typically a polyphonic piece with a refrain and a varying number of verses, sung to a common melody.
“The medieval choir performed a beautiful conductus during the ceremony.”
2. noun
A musical setting of a liturgical text, especially a series of Alleluias.
“The 12th-century manuscript included a beautiful conductus for a liturgical text.”