sentences:  Hipsters were more interested in bebop and "hot" jazz than they were in swing, which by the late 1940s was becoming old-fashioned and watered down by "squares" like Lawrence Welk, Guy Lombardo and Robert Coates.In the 1940s, white youth began to frequent African-American communities for their music and dance.These first youths diverged from the mainstream due to their new philosophies of racial diversity and their exploratory sexual nature and drug habits.