Eric Clapton in his personal life, which was troubled by romantic longings and drug and alcohol addiction. He became infatuated with Pattie Boyd, who at the time was married to close friend George Harrison, and withdrew from recording and touring to isolation in his Surrey residence as the band broke up. There he nursed a heroin addiction, which resulted in a lengthy career hiatus interrupted only by the Concert for Bangladesh in August 1971 (where he passed out on stage, was revived, and managed to finish his performance). In January 1973, the Who's Pete Townshend organised a comeback concert for Clapton at
Dark Horse (George Harrison song) through overwork contributed to him contracting laryngitis and losing his voice. Harrison's singing was similarly affected throughout the ensuing tour. A number of music critics rate "Dark Horse" as one of Harrison's finest post-Beatles compositions and believe that the single would have achieved greater success with a cleaner vocal performance. The recording reflects Harrison's embracing of the jazz-funk musical genre, and features contributions from musicians such as Tom Scott, Jim Horn, Billy Preston, Willie Weeks and Andy Newmark. Harrison played "Dark Horse" throughout both the 1974 tour and his 1991 Japanese tour with Eric Clapton. A live version appears on