I Should Have Known Better

I Should Have Known Better is a song by The Beatles, written by John Lennon, and credited to Lennon/McCartney. It was released on the album A Hard Day's Night, in 1964 and also the second song on the UK version.

In the film A Hard Day's Night, the song is performed in the train segment, while the card game is being played.

Background
Surprisingly, this is a very opimistic song written by John.

Credits

 *  John Lennon - Acoustic guitar, harmonica, and lead vocal
 * Paul McCartney - Bass guitar
 * George Harrison - Lead guitar
 * Ringo Starr - Drums