That was a bad version. It's lacking the Beatles backing harmony and Paul's voice was much better when he was younger.
Post a better version to show your appreciation for Michelle.
Worst song on Rubber Soul
Worst poster on Evilbore?
The Beatles seemed to have agreed with you because they never released it as a single. Ironically, the Overlanders released a cover version of it which then garnered a Grammy Sony of the Year Award. I got this info off Wiki.
Many of the Beatles singles never came from their studio albums. They often didn't take songs off their albums and then release them as singles. Some of their early singles were taken off their albums, but that's because they flooded the US markets with their catalogue of music. Magical Mystery Tour and Yellow sub had a number of singles on the albums, but they were previously released songs and the albums were soundtracks. Some of the songs from Let It Be were released as singles, but the Beatles didn't know if they'd ever actually release the album.
Beatles released songs like Rain, We Can Work It Out, Penny Lane, Strawberry Fields Forever, All You Need Is Love, Baby You're a Rich Man, Lady Madonna, The Inner Light, Hey Jude, Revolution (the well known version), Ballad of John and Yoko, Old Brown Shoe without the songs being on studio albums. Though they were later put on various albums or they wereput on compilations well after the band broke up.