What song did John Lennon write in his house at Menlove Avenue that lead The Beatles to a commercial breakthrough prior to the release of "She Loves You"?
Beatlemania in the United Kingdom:  Returning in 1962 from a highly formative two-year residency in Germany, the Beatles achieved a commercial breakthrough with their second UK single release, "Please Please Me" early in 1963, but gained "Superstar" status with the release of "She Loves You" later that year. Please Please Me (song):  I wrote it in the bedroom in my house at Menlove Avenue, which was my auntie's place".
"Please Please Me"