Duke Ellington first heard the young pianist Billy Strayhorn when his band passed through Pittsburgh in 1938. The bandleader promised to stay in touch, but neither called nor wrote. Finally, Strayhorn called Ellington's office and was told the band was playing in Harlem. The directions to the club were very specific: "Take the A train to Sugar Hill." In 1939, Strayhorn made the trip from Pittsburgh to New York and took the A train up to Harlem. Ellington was impressed both by the young man's initiative and his musicality, and put him on the payroll. At the end of 1940, the American Society of Composers, Authors, and Publishers (ASCAP) called for the radio networks to increase their royalties. The networks refused and ASCAP called a strike, forbidding any ASCAP compositions to be played on the radio. Overnight, the Ellington band, along with every other band in the country, was unable to play any of its hits on the radio. Strayhorn and Ellington's son Mercer spent a couple days holed up in a hotel in Chicago and wrote an entirely new set of songs for Ellington. Among these were "Take the 'A' Train," with its very specific directions to Harlem set to an instantly memorable melody, and arranged for the Ellington band's suave blend of trumpets and reeds. Ellington was so impressed by Strayhorn's song that he made it his band's theme song. ~ All Music Guide