Karin Krog is a Norwegian jazz singer born in Oslo on May 15, 1937, considered one of the great voices of Scandinavian jazz and a pioneer of experimental vocal jazz in Europe. She began singing in the 1950s, initially influenced by Billie Holiday, and soon became familiar with modern jazz forms thanks to her collaboration with pianist Kjell Karlsen. In 1962, she formed her own group, enabling her to explore innovative vocal approaches and expand her repertoire. Her first album, By Myself (1964), marked the start of a prolific discography that ranged from revisited standards to avant-garde experimentation. Over the decades, she has collaborated with many renowned musicians, including Dexter Gordon, Archie Shepp, Steve Kuhn, John Surman, Bengt Hallberg and Jan Garbarek. Her highly flexible style blends swing, bop, free jazz and electronica, frequently employing vocal effects, synthesizers or vocal treatments unheard of at the time, as on the album Some Other Spring (1970) with Dexter Gordon or Cloud Line Blue (1979) with John Surman. In 1974, she founded her own label, Meantime Records, to maintain an artistic independence rare in the jazz world. Internationally acclaimed, she performs regularly at major festivals, including Montreux, Molde, Paris and Tokyo. Karin Krog has won numerous awards, including five Spellemannprisen (the Norwegian equivalent of the Grammy Awards), including an honorary one in 2012. In the 2000s and 2010s, she continued her recording activity with albums such as Together Again (2006) with Steve Kuhn and Infinite Paths (2014) with Jacob Young. Still active in her 80s, she remains a tireless vocal explorer, combining classical elegance with sonic modernity, and remains a key reference in European jazz, having paved the way for many avant-garde female vocalists. In 2025, she collaborated for the sixth time with John Surman on the avant-garde electronic Electric Element.