Key ideas from Conan O'brien

• The Beatles stopped touring in 1966 after the Philippines incident and John Lennon's 'bigger than Jesus' controversy traumatized the band
• Revolver (1966) marked a turning point where Beatles music became too complex to perform live, featuring tracks like 'Tomorrow Never Knows'
• Brian Epstein's death in 1967 was the moment John Lennon said 'I knew then we'd had it' - losing their manager who held them together
• Most of the White Album was written during the Maharishi retreat in Rishikesh, India in 1968, despite spiritual disillusionment
• The rooftop concert on Apple Building in Savile Row almost didn't happen - they were still deciding backstage moments before performing
• Abbey Road was their final studio album despite Let It Be being released last, ending on 'a perfect note' in 1969
• The Beatles were revolutionary as self-contained singer-songwriters who wrote their own music, departing from the lead-singer-plus-backing-band model that dominated the era
• Hamburg's grueling performance schedule gave the Beatles their '10,000 hours' - they had to entertain crowds for extended sets while fueled by amphetamines, transforming them from amateurs to professionals