 While songs written by Lennon or McCartney were always credited to "Lennon–McCartney", the pair wrote many songs completely separately.These include "Come Together", "Strawberry Fields Forever" and "Nowhere Man" (Lennon) and "Hey Jude", "Let It Be" and "Yesterday" (McCartney), the last of which is one of the most covered songs of all time.Artists the band covered while together included Chuck Berry ("Roll Over Beethoven", "Rock and Roll Music"), Carl Perkins ("Matchbox", "Honey Don't"), Larry Williams ("Slow Down", "Dizzy, Miss Lizzy") and Little Richard ("Long Tall Sally").