What prompted Mick Taylor to quit the Rolling Stones in 1974 mid-tour?

Actually, Mick Taylor didn’t quit mid-tour—the Stones didn’t tour in 1974. He walked away in December of that year during the recording sessions for It’s Only Rock ‘n Roll. The common story is that he felt creatively sidelined. Keith Richards and Mick Jagger were writing most of the material, and Taylor’s guitar parts were often buried or re-recorded. He was also frustrated with the band’s lifestyle: heavy drug use, financial disorganization, and a sense that he was more a hired hand than a full partner.

The immediate trigger came during a session at Ronnie Wood’s house. Taylor had contributed a solo to the title track