Jazz standard and Billy Strayhorn's "Take the 'A' Train" (1941). With the big bands struggling to keep going during World War II, a shift was happening in jazz in favor of smaller groups. Some swing era musicians, such as Louis Jordan, later found popularity in a new kind of music, called "rhythm and blues", that would evolve into rock and roll in the 1950s. Bebop emerged in the early 1940s, with Charlie Parker, Dizzy Gillespie and Thelonious Monk leading the way. It appealed to a more specialized audiences than earlier forms of jazz, with sophisticated harmonies, fast tempos and often virtuoso musicianship.
John LaPorta with the Woody Herman Orchestra. Beginning in 1947 he studied with Lennie Tristano. With Teo Macero and Charles Mingus he was a member of the Jazz Composers Workshop, trying to combine jazz with classical music. In the classical world, he worked with Boston Pops, Leonard Bernstein, Leopold Stokowski, and Igor Stravinsky. In jazz he worked with Kenny Clarke, Miles Davis, Dizzy Gillespie, Charlie Parker, Buddy Rich, and Lester Young. He taught at Parkway Music School, then at public schools on Long Island, followed by the Manhattan School of Music and the Berklee College of Music. With guitarist Jack Petersen, he