After his priestly ordination, he studied organ with Albert Leblanc, the former organist of Notre Dame Cathedral in Luxembourg, and especially with Augustin Pierson, organist at St. Louis Cathedral in Versailles, whose brother was also a monk at Clervaux.
He studied organ with Albert Leblanc, and especially with Augustin Pierson at St. Louis Cathedral in Versailles, whose brother was also a monk at Clervaux. This was after his priestly ordination. Augustin Pierson was organist. Albert Leblanc was the former organist of Notre Dame Cathedral in Luxembourg.