Marcia Griffiths is a Jamaican singer known for her significant contributions to reggae music. She began her career in the 1960s with the group The I Threes, who provided backing vocals for Bob Marley & The Wailers. Griffiths' distinct vocal style helped popularize reggae internationally, and her solo work, including the global hit "Electric Boogie," further solidified her influence on the genre. She is often referred to as the "Queen of Reggae" and is recognized for her rich, emotive voice and the soulful depth of her songs.