Effective period / Period of releases: 2005 - 2010

Members: Sigtryggur Berg Sigmarsson, BJNilsen, Helgi Thorsson

Long-standing collaboration of Swedish composer/sound artist B.J. Nilsen and Icelandic experimental duo Stilluppsteypa. They've been recording since 2005, and released majority of their works through Helen Scarsdale Agency and Editions Mego labels. Together, they collaborated with Icelandic cellist Hildur Guðnadóttir and Argentinian experimental musician Anla Courtis, and also released a split-album with Milan Sandbleistift.

In 2015, Nilsen also released his first duo collaboration with Sigmarsson of Stilluppsteypa at Ultra Eczema label.