^^^^ ditto, that alone made me think in terms of years, unless he had some amazing aptitude for music.
i also agree that the movie is a classic. one of the few that i will linger on while channel surfing.
i took the kids to punxsatawney (could they use any more letters in their name? it's almost like they intentionally changed it to make it the most awkwardly spelled city in the US.) a few years ago. we made the mistake of going when it was held on a weekend. they say before the movie a good year would have about 1,500 participants. after the movie they had to move the venue outside the town to an open field where they see 10-20 times that.