 Complete the following phrase:  Some commentators have suggested a decline of rock and roll in the late 1950s and early 1960s. The retirement of Little Richard to become a preacher October 1957, the departure of Presley for service in the United States Army March 1958, the scandal surrounding Jerry Lee Lewis marriage to his thirteen-year-old cousin May 1958, the deaths of Buddy Holly, The Big Bopper and Ritchie Valens in 