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Deep Purple was the band where David Coverdale served as the lead vocalist from 1973 to 1976. During his tenure, the band released three studio albums: "Burn" (1974), "Stormbringer" (1974), and "Come Taste the Band" (1975). Coverdale's powerful vocals and charismatic stage presence contributed significantly to Deep Purple's success during this period, helping to establish them as one of the most influential hard rock bands of the 1970s.