Dsip is Dieter Mauson+Siegmar Fricke researching on sleep & dreams states, ambient hypnotic sounds in great German electronic tradition.
This project was founded in 1989 and active until summer 1994.
After almost 20 years of hiatus they re-formed in 2013,this is their actual blog and soundcloud page.
I have already posted many other tapes by this amazing duo,you`ll find them here.
This tape was recorded live on the 11th April 1992 at the 5th Independent Music & Arts Festival at OJC Clichee, Sint-Niklaas (Belgium).