"A Hard Day's Night" is a song by the English rock band the Beatles. Credited to Lennon–McCartney, it was primarily written by John Lennon, with some minor collaboration from Paul McCartney. It was released on the film soundtrack of the same name... Wikipedia
Recorded: 16 April 1964
B-side: "Things We Said Today" (UK); "I Should Have Known Better" (US)
Genre: Rock
Length: 2:34
Producer(s): George Martin
Released: 10 July 1964 (UK); 13 July 1964 (US)
Songwriter(s): Lennon–McCartney