The Knife was an influential Swedish electronic music duo formed in 1999 by siblings Karin Dreijer Andersson and Olof Dreijer. Known for their experimental and often provocative approach to music, they blended elements of electronic, pop, and avant-garde sounds. Their albums, such as "Silent Shout" and "Shaking the Habitual," explored themes of identity, sexuality, and societal norms. The Knife's unique aesthetic, including their distinctive stage presence and visually striking music videos, solidified their reputation as one of the most innovative and enigmatic acts of the 21st century.