a sentiment that was simple but profound". According to historian David Simonelli, such was the band's international influence, it was the song that formally announced the arrival of flower power ideology as a mainstream concept. The Beatles followed up the utopian spirit of Our World in their activities over July and August, during their first summer free of tour commitments. In late July, the band investigated the possibility of buying a Greek island with a view to setting up a hippie-style commune for themselves and members of their inner circle. After sailing around the Aegean Sea and approving a location on the island of Leslo, the Beatles decided against the idea and returned to London. In early August, Harrison and a small entourage made a well-publicised visit to the international hippie capital of Haight-Ashbury, in San Francisco. Writing in 2001, Peter Doggett said that the Beatles' performance on Our World "remains one of the strongest visual impressions of the summer of love"; Womack describes it as "flower power's finest moment". Rolling Stone ranks "All You Need Is Love" 370th on its list of the "500 Greatest Songs of All Time" and 21st on its "100 Greatest Beatles Songs" list. Mojo placed it at number 28 on a similar list of the best Beatles songs. In his commentary for the magazine, producer and musician Dave Stewart admired the track's "jumbled-up mix of music – marching band and rock'n'roll" and recalled the Beatles' Our World appearance as "a signal for those [of us] who felt we were trapped in a mental hospital in some suburban town to break out". In 2018, the music staff of Time Out London ranked "All You Need Is Love" at number 4 on their list of the best Beatles songs. In November 1967, "All You Need Is Love" was included on the American LP version of Magical Mystery Tour, together with the band's other singles tracks from that year. It was also included on the Yellow Submarine soundtrack album, released in January 1969. As a statement on the power of universal love, the song served as the moral in the Yellow Submarine film; it plays over a scene where Lennon's character defeats the Blue Meanies by throwing the word "Love" at their evil Flying Glove. The song is also featured in Cirque du Soleil's show Love, based on the songs of the Beatles. It was sequenced as