Ruth Guldbæk

After training at Copenhagen's Folketeatret and Det Ny Teater, she joined the Royal Danish Theatre where she made her début in 1947 as Zerline in Don Giovanni.

After a long series of successful soubrette and coloratura roles, she performed in Covent Garden on three occasions in the early 1950s.

[4] After training in the singing class at the Folketeater and Den Ny Teater in the early 1940s, she attended the Royal Danish Theatre's opera school from 1944 to 1947.

[2] Gulbæk made her début at the Royal Theatre in 1947 at Zerline in Don Giovanni, embarking on a lengthy career with the company.

Other successful coloratura roles in Copenhagen included Ännchen in Der Freischütz, Musetta in La bohème and Fiordiligi in Così fan tutte.