Astro Twin is the duo of the "howling voice" of Ami Yoshida and the analog synth of Utah Kawasaki. Cosmos is Ami and Sachiko M (aka Sachiko Matsubara of Ground Zero, Filament and a host of Otomo collaborations). Both sets of collaborations appear to have been relatively short lived and "limited" to a live environment. If you don't understand Off Site then this might drive you to distraction ... always a good thing in our book.
I was going to post the only other extant Cosmos release but the recently created and lavishly stocked Erstwhile bandcamp has it here.
As a consolation prize, here's Cosmos Live in Vancouver in 2004.
Anyway ... as I was saying ... here's a Double CD released on F.M.N. Sound Factory in 2002.
Untitled