The British supergroup reportedly wrote almost 50 songs at the abandoned ashram.
McCartney spliced previously unheard vocals for the remix and released a video Tuesday.
The 30th anniversary of John Lennon's death offered a cultural milestone equally as resonant as his birthday.
His death was one of the defining moments of the 20th century, and culturally, we're still dealing with it.
Rock is far from dead, and July brings with it the most impressive lineup of stars since Live Aid.
For his first Grammy Award performance in six years, Kanye West crooned "Only One," a song from the perspective of his late mother.