As the title suggests, the album is made up of songs that never made the final cut of the band's previous release MFZB, except for the cover of the song "Wannabe" by Spice Girls, which was recorded during production for the band's third studio album Playmate of the Year.
^"Waste of MFZB on Sony Music". sonymusic.co.jp (in Japanese). Sony Music. Retrieved 12 January 2014. "The songs in the album are songs that that were recorded for previous album "MFZB", but it's not because they were not good, but because they were dangerously good! "- Justin