John Lennon's Bitter 1971 Letter to Paul McCartney Up for Auction
Three-page document is expected to sell for around $30,000.
Paul McCartney
Watch Sean Lennon Cover the Beatles' 'Here, There and Everywhere'
Son of the late John Lennon posted his version of the song in honor of Paul McCartney's 80th birthday.
Paul McCartney Joined by Bruce Springsteen and Jon Bon Jovi
New Jersey concert marked final date on the Got Back North American tour.