Break-up of the Beatles Lennon was in a fragile state of mind after returning from the band's sojourn in India in early 1968 and was disillusioned and resentful that their Transcendental Meditation guru, Maharishi Mahesh Yogi, had not fulfilled Lennon's expectations. Lennon became discontented over his personal identity and his artistic role within the Beatles and entered another period of drug use, which coincided with a deterioration in his marriage and family life. He began to develop an intense interest in the work of Yoko Ono, a Japanese-American conceptual artist whom he had first met at one of her exhibitions in 1966. The pair
The Beatles at the 56th Annual Grammy Awards, held at the Staples Center in Los Angeles. The following day, "" television special was taped in the Los Angeles Convention Center's West Hall. It aired on 9 February, the exact date of – and at the same time, and on the same network as – the original broadcast of the Beatles' first US television appearance on "The Ed Sullivan Show", 50 years earlier. The special included performances of Beatles songs by current artists as well as by McCartney and Starr, archival footage, and interviews with the two surviving ex-Beatles carried out by David