Grauzone (German for "grey area", [ˈɡraʊ̯.tsoːnə]) was a band from Bern, Switzerland, that was active and disbanded in the early 1980s.
Martin's brother Stephan Eicher (guitar, synthesizer), Max Kleiner and Claudine Chirac (saxophone) supplemented the group temporarily in live appearances and recordings.
The band found some commercial success to their resentment,[1] their first single Eisbär charting well in Germany and Austria.
GT and Marco Repetto formed a new band Missing Link, later Eigernordwand, with the former Glueams guitarist Martin Pavlinec and the drummer Dominique Uldry.
In 1989, Marco Repetto started a new career as a Techno and Ambient DJ, musician and producer (a.o.