This set includes 73 tracks from the period of "15 Big Ones" released in 1976, when Brian Wilson returned to The Beach Boys studio works, and from the "Love You" era of 1977. It includes 35 previously unreleased tracks and recordings, and 22 new mixes. Disc 2 officially includes for the first time the recordings from the previously unreleased 1977 session "Adult / Child", produced by Brian Wilson. Japan-only SHM-CD specification. Released in Japan as a 3CD set only. Includes a Japanese translation of the English liner notes, and lyrics with Japanese translations. Contents, Disc 1, "Love You" 1977 mixes, "Love You" outtakes. Disc 2, "Adult / Child" sessions, 1974-1977 outtakes. Disc 3, "15 Big Ones" outtakes and alternate mixes, "Love You" alternate mixes, "Love You" Brian cassette demos.