Album has these songs
All songs from every album releases
Many songs are available for 30 seconds preview listening (by Spotify Audio Preview Clips)
#1
Opto File 1
05:08
#2
Opto File 2
17:40
#3
Opto File 3
07:55
#4
Opto File 4
02:34
Album has 2 releases
Album releases in order of release date. Media format, release date, country, etc.

CD
2001
Germany

Digital
2017