Olsen's house, where Nicks and Buckingham lived for a time before moving in with Richard Dashut. She was soon using cocaine. "We were told that it was recreational and that it was not dangerous," Nicks told Chris Isaak in 2009. While living with Dashut, Buckingham landed a guitar role with the Everly Brothers 1972 tour. Nicks stayed behind working on songwriting herself. During this time, Nicks wrote "Rhiannon" after seeing the name in the novel Triad by Mary Leader. (Five years later, a fan sent her the Mabinogion novels of Evangeline Walton that featured the legendary character Rhiannon, and Nicks later bought the film rights to Walton's work in the hopes of bringing the epic to the screen.) She also wrote "Landslide", inspired by the scenery of Aspen and her slowly deteriorating relationship with Buckingham. In late 1974, Keith Olsen played the Buckingham Nicks track "Frozen Love" for drummer Mick Fleetwood, who had come to Sound City in California in search of a recording studio. Fleetwood remembered Buckingham's guitar work when guitarist Bob Welch departed to pursue a solo career. On December 31, 1974, Fleetwood called Buckingham, inviting him to join the band. Buckingham refused, insisting that Nicks and he were "a package deal" and he would not join without her. The group decided that incorporating the pair would improve Fleetwood Mac, making the British band into an Anglo-American one. The first rehearsals confirmed this feeling, with the harmonies of the newcomers adding a pop accessibility to the band's former style of blues-based rock. In 1975, Fleetwood Mac achieved worldwide success with the album Fleetwood Mac. Nicks' "Rhiannon" was voted one of The 500 Greatest Songs of All Time by Rolling Stone. Her live performances of the song throughout the decade began to take on a theatrical intensity not present on the album. The song built to a climax in which Nicks' vocals were so impassioned that Mick Fleetwood declared, "her 'Rhiannon' in those days was like an exorcism." "Landslide" became another hit from the album, with three million airplays. Becoming aware of her image as a performer, Nicks worked with clothing designer Margi Kent to develop a unique onstage look. Her costumes had a gypsy-bohemian style that featured flowing skirts, shawls, and platform boots. While Nicks and Buckingham achieved professional success with Fleetwood Mac, their personal relationship was eroding. Nicks ended the relationship. Fleetwood Mac began recording their follow-up