When counting all the participants of Meesters&Gezellen between 2011 and 2019, we see that out of 143 apprentices 113 were singers. Besides them, 20 choir conductors joined as apprentices, as did 5 instrumentalists and 4 students of Music Education. 4 participants had no professional musical education. From all 143 former participants, 48 are currently singing in a professional ensemble and 96 are singing as a soloist.
Please read this scientific evaluation regarding the effectiveness of Masters&Apprentices: