[1][2][3] With repertoire including composers such as Johannes Brahms, Hermann Berens, and Carl Czerny, she performed across Europe and America.
[4] For her studies, Charlotte Lachs relocated to her family home region where she was admitted to the Royal Conservatory of Music of Munich, Kingdom of Bavaria.
Among her teachers were Bernhard Fexer, Hugo Beyer, and Professor Hans Hasselbeck, the latter who considered her "an artist of great technical ability".
Charlotte Lachs' multiple concerts across Europe and America made her a singer of "remarkble talent and diligence" with a voice "very fine sonorous and sympathetic" of "great sweetness, fullness, and carrying power", having the "richness of a contralto".
Her "captivating", "dramatic fervor" of a "true artist" had her compared to Emma Albani, and Niels Gade spoke of her "in lavish terms of praise".