There are two bands with this name: 1) Crystals was an Italian
progressive rock band that was formed in 1973. Crystals functioned as a sort of
supergroup, having several experienced and famous
rock musicians in it. Their sound featured a
blues-influenced
hard rock style reminiscent of contemporaries such as
Deep Purple. Crystals recorded one album in 1974 that was intended for release on the Cramps label. However, for mysterious reasons, it never appeared for years. Their work finally received a CD release in the
90s. The band's album is now regarded as an underground rock clas…
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