Bart sings bass in the Collegium Vocale Gent (Philippe Herreweghe), Amsterdam Baroque Choir (Ton Koopman), Huelgas Ensemble (Paul van Nevel), Bach Collegium Japan (Masaaki Suzuki), Il Gardellino (Marcel Ponseele), Plus Ultra (Michael Noone), La Petite Bande (Sigiswald Kuijken), Concerto Köln, Il Giardino Armonico and the Freiburger Barockorchester, under conductors such as Gustav Leonhardt, René Jacobs, Thomas Hengelbrock, Robert King, Jos Van Immerseel, Alan Curtis, Roy Goodman, Christopher Hogwood, Peter Rundel, Skip Sempé, Peter Phillips and Marcus Creed.

He has also toured Europe, the USA and Asia, as well as taking part in numerous recording sessions.