Ark featured the Gabriel-esque vocal styling of frontman Anthony Short and a musical style mixing the likes of Marillion with a touch of folk and hearty dose of powerful rock on their powerful debut The Dreams of Mr Jones.

Magnum’s 1978 debut release Kingdom of Madness is definitely worth checking out if you’re a fan of mid-70s rock – with the odd prog flourishes and Korg/Moog twiddles here and there – along with very strong vocals and melody.

Fragile is the legendary 1971 prog rock album from Yes featuring Rick Wakeman, Bill Bruford, Jon Andreson, Chris Squire and Steve Howe – hear MP3 samples and video

Emerson, Lake and Powell is a 1986 comeback album from prog rock pioneers ELP featuring Greg Lake, Keith Emerson and Cozy Powell – hear MP3 samples and video

Moving Waves is a 1972 album from Dutch prog rock band Focus containing Hocus Pocus and featuring Jan Akkerman – hear MP3 samples and video

Moving Pictures is a 1981 album from Canadian prog rock group Rush featung Geddy Lee, Alex Lifeson and Neil Peart – hear MP3 samples and video

Black Moon is a 1992 album from 1970s prog rock giants Emerson, Lake and Palmer – hear MP3 samples and video

In Hearing Of is a 1971 album from prog rock band Atomic Rooster featuring Vincent cran and Paul Hammond – hear MP3 samples and video

Red is a 1974 album from prog rock legends King Crimson featuring Robert Fripp, Bill Bruford and John Wetton – hear MP3 samples and video

Tarkus is the second studio album from prog rock giants Emerson, Lake and Palmer – hear MP3 samples and video