The Pet Sounds Sessions is a 4-CD box set by the American rock band the Beach Boys. Released on November 4, 1997 by Capitol Records, it compiles tracks from the group's 11th studio album "Pet Sounds" (1966) and its 1965–66 recording sessions. The entire album is included in its original mono mix, as well as a specially-created digital 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, along with several tracks not included on the album.