The weather in Clear Lake, Iowa, on Groundhog Day of 1959 was bone chillin’. Still, 1,100 enthusiastic young people and their parents crammed into the Surf Ballroom to hear some of rock and roll’s brightest stars perform. Buddy Holly and the Crickets (Tommy Allsup and Waylon Jennings were the Crickets for this Feb. 2 concert), Ritchie Valens, J.P. Richardson A.K.A. The Big Bopper and Dion & the Belmonts performed their biggest hits and remained after the concert to sign autographs for adoring fans. Instead of spending another night riding in a rundown tour bus without heat, three stars — Buddy …