Boku wa Beatles

Boku wa Beatles (僕はビートルズ) is a manga written by Tetsuo Fujii and illustrated by Kaiji Kawaguchi.

Plot
This is the tale of two members of a Beatles cover band who find themselves transported back in time to 1961 – to a time before anyone had ever heard of the Beatles – and decide to take the mantle of the world’s greatest rock band for themselves!