Cantor, filius Calliopes Musae et coniunx Eurydices (7)
I believe the answer is:
orpheus
(Other definitions for orpheus that I've seen before include "In Greek mythology, he went to Hades to get Eurydice back but failed" , "Thracian poet" , "Lyre player who could charm all living things" , "classical musician" , "Greek lyrist" .)