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Episode Six, a British psychedelic rock band formed in 1965, had Ian Gillan as their lead vocalist before he rose to fame with Deep Purple. Known for their experimental sound and captivating live performances, Episode Six gained recognition in the mid-1960s with hits like "Love, Hate, Revenge," showcasing Gillan's distinctive vocal style and charismatic stage presence that would later become synonymous with Deep Purple's hard rock sound.