Larry Junstrom was in a band that played rock music.
Rock music is a genre of popular music that developed in the 1950s from 1960s rock and roll, rockabilly, blues, and country music
 Lonnie Donegan's 1955 hit "Rock Island Line" was a major influence and helped to develop the trend of skiffle music groups throughout the country, many of which, including John Lennon's Quarrymen (later The Beatles, moved on to play rock and roll

