Where I can find albums of Seigen ONO? I'm looking for Comme Des Garcons
Vol.1, as I know it's out of print.

Hi
You'll find a fairly comprehensive (though not exhaustive) selection of the Seigen Ono back catalogue here.
http://www.saidera.co.jp/records.html

The Comme des Garcons Volumes 1 & 2 are available as a double CD.
Cheers
Bruno