Irmgard Österwall
Irmgard Österwall (18 August 1914 – 31 December 1980) was a Swedish singer. Österwall began singing in amateur societies and debuted as a singer in Gosta Jonsson's orchestra. She debuted as a soloist in 1941 and in the early 1940s sang with her brother Seymour Österwall's orchestra. She is considered one of Sweden's first jazz singers and was sometimes called "Red Hot Mama." In the early 1950s, she retired as a singer after marrying the painter Tore Catoni.