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01:35 — Lucy gives a legendary performance of Evanescense's 'My Immortal'.
01:21 — The remaining rock star progenies are asked what rock 'n' roll means, but coming up with an answer isn't that easy.
01:34 — Lara rocked out to Avril Lavigne's 'I'm With You' in the premiere of Rock The Cradle
01:17 — The Doobie daughter performs her dad's hit tune 'Long Train Runnin''.
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Grey's Anatomy is obviously a big influence on Tay Tay