Mariah Carey (born March 27, 1969) is an American singer, songwriter, record producer, and actress. An influential figure in popular music, she is known for her five-octave vocal range, melismatic singing style, and signature use of the whistle register. Carey is also credited with influencing vocal styles, merging hip-hop with pop through her collaborations, popularizing remixes, and helping break down racial barriers for multiracial Americans in popular culture. She is black, Irish and Latina.