Harmonica Fats, born Harvey Blackston, was an influential American blues harmonica player known for his robust and emotive style. Active from the 1950s until his death in 2000, his distinctive sound significantly contributed to the West Coast blues scene. He is most remembered for his 1962 hit "Tore Up," which showcased his skillful harmonica playing and soulful vocals. His unique style and contributions to the genre make him a notable figure in the history of blues music.