TheWrap magazine: When writing a Disney ballad, Miranda says his mantra was simple: “Don’t think about ‘Let It Go'” A version of this story about Lin-Manuel Miranda first appeared in Nominations Preview issue of TheWrap’s Oscar magazine . “Hamilton” creator Lin-Manuel Miranda has the chance to become, at age 37, the youngest EGOT winner if he takes the Oscar for one of the three songs entered from Disney’s animated musical about a young Pacific island princess who longs to hit the open sea.