Initially a singing teacher, he began a stage career as a baritone in 1839.
[1] After an engagement of several years at the Cologne City Theatre (1840–42), he resigned from the stage on the advice of the Kapellmeister Conradin Kreutzer in favour of composition.
In addition to his activities as a singing teacher and song composer, he worked from 1881 as a music consultant for the Tägliche Rundschau, as well as for the Neue Berliner Musikzeitung in Berlin.
[2] Among his singing students were Karl Formes and Rosa Le Seur.
Gumbert translated numerous libretti from French into German.