Some very peculiar rock music hybrids emerged in the 1970s, but none was any more peculiar than Univers Zero, a classically influenced group of primarily Belgian musicians. Sometimes compared to the slightly earlier & enormously influential King Crimson, Univers Zero was actually much more extreme. While Crimson used Robert Fripps lead guitar & Ian Mc Donalds Mellotron to approximate a symphonic rock sound rooted in the 19th century romantic tradition of Richard Strauss, Mahler & Wagner,