In 2010, some of the rare tracks were made public on www.orbitstreamcast.com.
It contains rare tracks from early recordings of the band.
Medicine was one rare track of higher education in which gender hardly mattered.
It features rare and unreleased tracks recorded throughout the group's career.
Many of the rare tracks on the album have been edited shorter than their original length.
Their final 20 track album remains unreleased to date, along with other rare tracks.
Some copies have even been known to include various other rare tracks and live recordings.
The first 150,000 copies added a third disk with rare tracks and music videos.
Track 5, 8, 9 and 15 are rare tracks.
There have been many releases of this album in various countries over the years, with each release containing different rare tracks.