verrimst was also maître de chapelle of the église saint-thomas-d'aquin then of the church of saint-bernard de la chapelle and double-bass professor at the conservatoire de paris. in this capacity, he was the author of a "complete method for the double bass", in use at the conservatoire, as well as a "solfège du contrebassiste". but verrimst did not limit himself to writing for the double-bass. he composed several masses and motets, various melodies and pieces for piano, a fantasy for trombone, as well as an important collection of harmonized rounds and popular songs, published in two volumes.