Possible Clues:

• Pieces of music for one voice or instrument
• Some 42 Across performances
• Prima donna's times to shine
• Singular performances?
• Short lawyer's extraordinarily large motorbikes (without sidecars)
• Passages that lead up and down
• Recital features
• Flies without an instructor
• Doesn't have a second to lose?
• Flights like Lindy's