Related Clues:

• Do a ringmaster's job?
• Song from Sondheim's 'A Little Night Music'
• Request from the peanut gallery, perhaps
• Sondheim song, and a hint to the ends of 17-, 28- and 44-Across
• A ringmaster will do it
• Sondheim song that starts 'Isn't it rich?'
• Sondheim's ''Isn't it rich?'' tune