“…After the national success of artists such as Lonnie Donegan, Cliff Richard, and Helen Shapiro, the Beatles led an international wave that included groups such as the Rolling Stones, the Kinks, and the Animals and singers such as Petula Clark, Tom Jones, and Cilla Black. Supporting them, a community of musicians, producers, music directors, engineers, songwriters, publishers, promoters, and journalists created songs and recordings, organized concerts, and wrote about music that reflected the optimism of an audience eager for new material. …”