Possible Clues:

• One likely to succeed, producing song in audition
• Receiving party?
• Does he succeed in getting wind of it, by the sound of it?
• ___ to the throne (prince, e.g.)
• Son, usually
• His eyes are on the throne
• Acknowledged beneficiary
• One who stands to gain a lot?
• He takes after his parents
• He succeeds in producing vocal melody