Mariah Carey sings.
`` Butterfly '' is a song by American singer and songwriter Mariah Carey from her sixth studio album of the same name . Mariah Carey ( born March 27 , 1969 or 1970 ) is an American singer , songwriter , record producer , and actress . Referred to as the `` songbird supreme '' by the Guinness World Records , she has a five-octave vocal range , power , melismatic style and signature use of the whistle register .