The Beatles logo was a part of a brand placement deal.
The origin of one of the the most famous logos in entertainment history starts in a drum shop. Ringo and Beatles manager Brian Epstein were shopping for a new set of drums. Ringo fell in love with the Ludwig Downbeat. Epstein convinced the owner of the store that the Beatles were on the verge of stardom, and that he should give the young drummer the drums for free. The shopkeeper agreed, with the stipulation that Ringo keep the Ludwig logo on the bass drum head. Epstein countered with a request that the band’s name be printed right below the logo. He sketched how it should look, and for £5 a sign painter finished the job. Who says that brand identity takes a committee?
Article: How the Beatles Got Their Famous Logo