Born in Grünstädtel, Lang studied at the University of Music and Theatre Leipzig with Elisabeth Breul, Eva Schubert-Hoffmann and Helga Forner.
[2][3] She began her stage career at the Theater Altenburg Gera [de], and from 1972 she was an ensemble member of the Oper Leipzig.
She remained an ensemble member of the Staatsoper until her retirement from the stage for health reasons in 2009.
[4][5] Guest appearances took her to the Salzburg Festival and the Vienna State Opera, among others.
In addition to her operatic activities, she also cultivated concert, lied and oratorio singing.