"Take the 'A' Train" is a jazz standard composed by Billy Strayhorn in 1939. It became famous as the signature tune of the Duke Ellington Orchestra and is known for its catchy melody and upbeat tempo. The song's lyrics describe taking the A subway train in New York City to reach a destination, symbolizing the excitement of urban life. The piece is characterized by its swing rhythm and vibrant instrumentation, often featuring brass and piano. Over the years, "Take the 'A' Train" has been covered by numerous artists, solidifying its place in the jazz repertoire and popular culture.