Related Clues:

• Warble
• Boca ---
• Turncoat
• Blab, informally
• One living in a dump
• Hamelin evictee
• Start of a drum sound
• Turn in
• Dirty rotten scoundrel
• Word in a supposed Cagney quote
• He sings to the man
• Supply a number
• Singer behind prison walls?
• Mongoose's prey
• See 89-Down