Apple Records, Our First Four (1968)

Source. See also.

The Beatles

A: “Hey Jude"(Lennon and McCartney)

B: "Revolution" (Lennon and McCartney)

Mary Hopkin

A: "Those Were the Days" (Fomin, Raskin)

B: "Turn! Turn! Turn!" (Pete Seeger)

Jackie Lomax

A: "Sour Milk Sea" (George Harrison)

B: "The Eagle Laughs at You" (Jackie Lomax)

Black Dyke Mills Band

A: "Thingumybob" (Lennon and McCartney)

B: "Yellow Submarine" (Lennon and McCartney)

It turns out that "Thingumybob" is a sped-up orchestral version of an unrecorded song about Maureen Starkey.