Aftermath, first released on 15 April 1966 by Decca Records, is the fourth British studio album by The Rolling Stones. It was released in the United States on 20 June 1966 by London Records as their sixth American album. The album proved to be a major artistic breakthrough for the band, being the first full-length release by the band to consist exclusively of Mick JaggerKeith Richards compositions. Aftermath was also the first Rolling Stones album to be recorded entirely in the US, at the legendary RCA Studios in Hollywood, California at 6363 Sunset Boulevard, and the first album the band released in true stereo. The album is also notable for its musical experimentation, with Brian Jones playing a variety of instruments not usually associated with rock music—including sitar on "Paint It, Black" and "Mothers Little Helper", the Appalachian dulcimer on "Lady Jane" and "I Am Waiting", the marimbas (African xylophone) on "Under My Thumb" and "Out of Time", harmonica on "High and Dry" and "Goin Home", as well as guitar and keyboards. Much of the music was still rooted in Chicago electric blues. As with all the Stones pre-1967 LPs, different editions were released in the UK and the US. This was a common feature of British pop albums at that time—the same practice was applied to all The Beatles albums prior to Sgt. Peppers Lonely Hearts Club Band —because UK albums typically did not include tracks that had already been released as singles, and because British pop albums <b>…<b>