Absent from rock for years before the Fabs used them, dual lead lines would eventually be embraced by 1970s guitarists ...

The Beatles' 1966 track, "And Your Bird Can Sing," helped inform a prominent feature in rock 'n' roll of the following decade ...

It brought me down to earth with a bang, and it was a good lesson to learn about boundaries, and not making assumptions ... since he was the Beatles’ guitar player and had always done great ...