Björk Guðmundsdóttir, known mononymously as Björk, 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 one of the most influential pioneers in electronic and experimental music.