Grossman has presented hurdy gurdy workshops and lessons with Valentin Clastrier, Matthias Loibner, Maxou Heintzan and Simon Wascher.
Many of the current hurdy gurdy players use his instruments, including Valentin Clastrier, Gilles Chabenat, Germán Diaz, Tobie Miller, Matthias Loibner, Ben Grossman, Marc Egea and Hållbus Totte Mattson.
David Ben-Gurion | Ben Affleck | Ben Jonson | Ben Harper | Big Ben | Ben Kingsley | Ben Stiller | Ben Folds | Ben Hecht | Ben-Gurion University of the Negev | Ben Casey | Ben Bernanke | Ben-Hur | Ben E. King | Ben Webster | Ben Hogan | Ben Elton | Ben Weasel | Ben Folds Five | Ben Stein | Ben Shneiderman | Ben Mendelsohn | Ben Lee | Ben Johnston | Ben Crenshaw | Ben 10 | Ben | Ben T. Epps | Ben Sargent | Ben Cross |