In May 1980, “Virgin” label released “Tangram”, the thirteenth Tangerine Dream album. It was recorded in 1980, at “Polygon Studios” in Berlin, and was produced by Chris Franke and Edgar Froese.
- Edgar Froese— keyboards, guitars, cover photo, sleeve design
- Christopher Franke— keyboards, electronic percussions
- Johannes Schmoelling— keyboards
- Eduard Meyer — mixing engineer
- Monika Froese— cover photo, sleeve design
- Tangram Set 1
- Tangram Set 2