salemka appeared with other opera companies: with the canadian opera company in "the marriage of figaro" as susanna in 1960, and as hanna glawari in "the merry widow" in 1973; in 1961 she made her debut at the royal opera house, covent garden in britten's "a midsummer night's dream" (as helena). she also performed in stuttgart, vienna, naples, milan, paris, and basel.