Marc and Ineke released 12 CD’s. Their original approach has taken them to clubs and festivals over the world, including Canada, USA, France, Germany, Japan, Indonesia, Malaysia, Austria, Macedonia and Hungary. They recorded a.o. with the Dutch Metropole Orchestra (conducted by Vince Mendoza), composed and performed a project with Het Nederlands Kamerkoor (the Dutch Chamber Choir), and created an improvised opera collaborating with a poet.
Marc and Ineke also worked and recorded with artists like Kenny Wheeler(UK), Robin Eubanks (USA), Sylvain Beuf (F), Andy Sheppard (UK), Don Thompson (CA), David Linx (F), Norma Winstone (UK), Mario Pavone (USA),Thomas Chapin (USA), Paul van Kemenade (NL). Invited by the Dutch government, they worked and lived for two years in The Vandoesburghouse, Paris. They are both highly experienced educators as well. Ineke’s 300 page book on singing ‘Singing from the inside out’ was released in English in 2016.