Valérie, France
Jeff Cartron, 41ans, France
Jean Charles Boquet, Paris (France)
Valérie Jalquin, Paris (France)
Nick Winship, Bruxelles (Belgique)
Sosthène, Côte d'Ivoire
Ralph Menezes
Patrick, Guadeloupe
Ralph
The lessons are awesome and challenging!! Johann is a very good teacher and I'm very grateful for all the classes we've had!! The blog is super informative and the content is very interesting.
Bernard
Excellent Johannn, belle approche, bon pédagogue, belle énergie, super Groove, vraiment je recommande sa méthode pour tous ceux qui veulent progresser...