Progressive rock

There are at least 8 artists/projects who have used this name for tracks and scores: 1) Gypsy, an American progressive rock band from Minnesota, formed as The Underbeats (1962-1968). Gypsy was house band at the Whisky a Go Go, West Hollywood, California for about eight months from September 1969 to 1970 and were known in 1970 for their US Billboard Chart Single "Gypsy Queen Part 1 and 2", as most of Gypsy's music composed and written by guitarist and singer Enrico Rosenbaum. Their 5 album releases are:

Curved Air were briefly a sensation in the world of British progressive-rock because of Sonja Kristina's sensual vocals (a veteran of the "Hair" musical play) and Darryl Way's romantic violin. This was the same combination tested in California by It's A Beautiful Day. Francis Monkman (the real genius behind their compositions) added a synthesizer. Air Conditioning (Warner, 1970) boasts Vivaldi, their most celebrated piece.

Soundgarden is a Seattle rock band who helped to define the sound that came to be called grunge. Despite starting years earlier, and having a sound that more closely resembled Black Sabbath or Led Zeppelin than their contemporaries, they are usually considered one of the "big four" of the '90s Seattle grunge bands, along with Alice in Chains, Nirvana and Pearl Jam. The band was formed in 1984 by Chris Cornell (vocals, and originally drums) and Hiro Yamamoto (bass), to be joined later by Kim Thayil (guitar) and Scott Sundquist (drums).

There are 4 artists/bands named Quantum. 1. A trance DJ residing in Israel.
2. A now defunct progressive rock band formed in the 80's.
3. A hip-hop artist.
4. A Indonesian indie alternative pop/rock band. 1. Quantum is a trance DJ.
Gidi Snapir - Quantum - was always obsessed with collecting music and finding new sounds. Coming from a family of musicians, he studied piano as a kid but his first encounter with electronic music came in the late 1980's when he first heard new wave dark industrial music.