The Pet Sounds Sessions is a 4-CD boxed set released in 1997 which compiles tracks from The Beach Boys' 1966 album Pet Sounds, and its recording sessions. The album is included in its entirety in its original mono mix, as well as a stereo mix. The set also contains instrumental tracks, vocals-only tracks, alternate mixes, and edited highlights from the recording sessions for many of the album's songs, as well as several songs not included on the album.