Edda Moser became one of the most prominent and versatile sopranos in the latter decades of the twentieth century. She was effective in standard-repertory operatic roles, including those of Mozart, Wagner, and Puccini, as well as in modern music, singing works by Luigi Nono, Wolfgang Fortner, and Bernd Alois Zimmerman. Her voice has been described as powerful, able to negotiate both coloratura and lyrico-dramatic styles