Monica Zetterlund (born Eva Monica Nilsson; 20 September 1937 – 12 May 2005) was a Swedish jazz singer and actress. She represented Sweden in the 1963 Eurovision Song Contest with the jazz ballad "En gång i Stockholm" ("Once Upon a Time in Stockholm"). Through her lifetime, she starred in over 10 Swedish film productions and recorded over 20 studio albums. She gained international fame through her collaborative album with Bill Evans, Waltz for Debby. Career. Singer.
https://en.wikipedia.org/wiki/Monica_Zetterlund