Possible Clues:

• The Muse of dance
• The Muse of dancing and choral singing
• Source of inspiration moving priest before tedious task
• The muse of song and dance
• Priest dancing before job -- inspired by this female?
• Greek muse of dance, often portrayed with a lyre
• ... and another task
• Muse as priest struggling with Job
• Dance mistress and dissolute priest on the job
• Arts' patron gives wayward priest tedious task