Related Clues:

• Sessile aquatic animal with numerous pores
• Paper read in Prague
• Quick learner
• Holey reef dweller
• Aid for a maid
• Absorbent kitchen cleaner
• Piece of Tin Pan Alley music
• Joplin's "Maple Leaf __"
• Repurposed T-shirt, perhaps
• Barkeep's cleaner
• Bum — cleaner
• Most every tune from ''The Sting''
• Doll stuffing, maybe
• Item in a mechanic's back pocket
• 'Elite Syncopations' and others