Monica Zetterlund (1937-2005) was a prominent Swedish jazz singer and actress, celebrated for her unique blend of jazz, pop, and traditional Swedish music. Born in Hagfors, Sweden, she became a significant figure in the Scandinavian jazz scene during the 1960s and 1970s. Zetterlund is best known for her collaboration with renowned jazz pianist Bill Evans, particularly on the album "Waltz for Debby" (1961), where her delicate vocal style complemented Evans' intricate piano work. Her notable works also include the albums "Monica Zetterlund sjunger Astrid Lindgren" and "Svenska sånger," showcasing her ability to reinterpret Swedish folk songs and children's music through a jazz lens. Her impact on music extends beyond her recordings; Zetterlund's vocal techniques and emotive delivery have inspired numerous artists in both jazz and popular music. She was instrumental in popularizing jazz in Sweden, bridging traditional Swedish folk and modern jazz influences. Zetterlund’s legacy endures, as she remains a celebrated figure in Swedish cultural history, revered for her artistry and contributions to the genre.