All Soprano Mezzo Soprano Counter Tenor Tenor Baritone Bass Conductor Stage Director Accompanist Master class Baritone - for list view please click here Andrzej DobberAlbert DohmenMartin GantnerTommi HakalaSamuel HasselhornLiviu HolenderTomasz KoniecznyBrian MulliganThomas TatzlLudovic TézierLauri VasarMichael Volle Andrzej DobberAlbert DohmenMartin GantnerTommi HakalaSamuel HasselhornLiviu HolenderTomasz KoniecznyBrian MulliganThomas TatzlLudovic TézierLauri VasarMichael Volle