1: Multiple notes keeping youth leader youthful (4-5)
5: Got excited by unusual tulip (3,2)
8: Harm from dent encompassing front of exterior trim (9)
10: Headache starts to reveal a body part (5)
11: Sometimes they mischievously spray-paint footwear, making the top violet (7)
12: Eskimo intuitions are half-developed (5)
13: Running back almost blew grand (5)
14: Simple addition in cult film (4,5)
16: Firework for Kennedy ends right in a hollow part (9)
20: Parade's quirky charm (5)
21: Troubled tenor with a transposition (2,3,5)
22: Decisive curl twisting around spy body (7)
23: Runs in place without a top--without a top OR bottom (5)
24: A driven person, Ness left wearing a beeper (9)
26: Do as I say in short retreat (5)
27: Perhaps the sound of the beach is really rock? (9)