Possible Clues:

• Short oratorio performed in concert
• What offers a text message with music?
• Choral work voiced at end of sentence?
• Felix accommodated worker before a musical work
• Song to celebrate release from prison?
• Cannot a sign of gratitude be in song?
• Is an expression of gratitude not able to be invoiced?
• Is not a thank-you able to be sung?
• Composition about an adieu
• Is a farewell able to be so musical?