Possible Clues:

• Very quick (mus.)
• Scored quickly
• Mazur's "quickly"
• By the sound of it, give some hay to this for the magician
• A magician's word
• Hey, with this it happens magically, at once
• Not at all slow to take it easy in the river
• Hey . . . . ., says the magician (6)
• Tuck right into Italian sauce, or fast
• Allegro's superior