Amongst the many artists Marc has worked with are Sarah Walker, Nelly Miricioiu , Marianne Cornetti, Yvonne Kenny, Jonathan Lemalu, Kate Royal, Claire Booth, Elena Xhanthoudakis, Benedict Nelson, David Stout, Katherine Broderick, Ilona Domnich, Fredericke Krum, Julia Kogan, Belinda Williams and Sharon Rostorff.
Most recent collaborations included projects on Jewish themes with British baritone Mark Glanville and concerts with world famous soprano Chen Reiss.