After two studio albums recorded as Cluster, Roedelius and Moebius moved out to the German countryside to build their own studio in the village of Forst. After several disappointments in his attempt to expand Neu! into a live unit, Rother retreated to Cluster's studio for a series of relaxed, improvisational jam sessions that wedded Cluster's exploratory space music with the chugging rhythms and guitar sense of Rother. The debut Harmonia LP, Musik Von Harmonia, appeared in 1974 (with an accomplished live track, recorded in Amsterdam). Though Rother also continued with Neu! to create another Krautrock classic, Neu! '75, Harmonia remained his focus for another LP, 1975's De Luxe. Brian Eno had proclaimed Harmonia "the world's most important rock group," and he eventually joined the proceedings for several 1976 sessions -- the legendary results of which lay unreleased for over 20 years, until Rykodisc acquiesced with the release of Tracks & Traces. Though Cluster and Eno continued their collaboration during the late '70s, Rother began a solo career with 1978's Sterntaler. ~ John Bush