From Bob Dearborn's The Olde Disc Jockey's Almanac today...
November 8, 1965…At EMI's Abbey Road Studios in London, the Beatles recorded the new George Harrison composition "Think For Yourself," with George singing lead, for their "Rubber Soul" album.
I love that one. One of my favorite George Beatles songs. This is audio of the Beatles working on the song in the studio that day. You forget how young they were until you hear them talking between takes. They were kids.
Here's the final version...