It contained four pieces from Bach's Well-tempered Clavier seamlessly integrated with RDM's own music, which often was inspired by rock or hard rock. In 1974 the record was released in an English version, Contamination, with the group's name simplified to RDM, although still written in full on the back of the LP jacket.
The record featured four pieces from Bach's Well-tempered Clavier seamlessly integrated into RDM's compositions, which were often influenced by rock or hard rock. In 1974, it was released as Contamination in an English version with the group name shortened to RDM but still fully written on the back of the LP jacket.