Björk Guðmundsdóttir is an Icelandic singer, songwriter, composer, record producer and actress. Noted for her distinct voice, three-octave vocal range, and eccentric public persona, she has developed an eclectic musical style over a career spanning five decades, drawing on electronica, pop, dance, trip hop, jazz, and avant-garde music. She is regarded as one of the most influential musicians of her era.