Artists like Aphrodite's Child

Eloy is a German rock band. Founded in 1969 by guitarist Frank Bornemann, the band is best known for their progressive rock music.

Wishbone Ash are a British rock band who achieved success in the early to mid-1970s.

Klaatu was a Canadian rock group formed in 1973 by the duo of John Woloschuk and Dee Long. They named themselves after an ambassador, Klaatu, from an extraterrestrial confederation who visits Earth with his companion robot Gort in the film The Day the Earth Stood Still. After recording two non-charting singles, the band added drummer Terry Draper to the line-up; this trio constituted Klaatu throughout the rest of the band's recording career.

Family were an English rock band, active from late 1966 to October 1973, and again since 2013 for a series of live shows. Their style has been characterised as progressive rock, as their sound often explored other genres, incorporating elements of styles such as folk, psychedelia, acid rock, jazz fusion, and rock and roll. The band achieved recognition in the United Kingdom through their albums, club and concert tours, and appearances at festivals.

Spirit was an American rock band founded in 1967 and based in Los Angeles. Their most commercially successful single in the United States was "I Got a Line on You". They were also known for their albums, including their self-titled debut album, The Family That Plays Together, Clear, and Twelve Dreams of Dr. Sardonicus.