Released as a bonus 3 CD, given with the book Period - The Ultimate Visual Data Of YMO 1978-1984-1993, from Tokumashoten publishing company.
Housed in a little cardboard envelope, stuck to the inside back cover.
First track is live and mono. Second track is an instrumental and appeared originally on the video tape (and now DVD) of the YMO PROPAGANDA motion picture (1984). It is used as background music, as the credits of the video appear. It was the last studio track ever written, arranged and recorded by YMO in February 1984 before their spreading out (散開 sankai).
A remastered version of this track is also available on the compilation UC YMO