1) BBC television drama 
(from the article `British Invasion`) ...With the Beatles, other exuberant male quartets such as the Searchers, the Fourmost, and Gerry and the Pacemakers—plus the quintet Billy J. Kramer ... The Beatles, from Liverpool, England (via Hamburg, Germany), personified a new form of British popular music in the 1960s. Merseybeat was a B...