Upon the chant: vol. 2: Omnium festorum Van Nevel, Erik Upon the chant: vol. 1: Missae Van Nevel, Erik O felicem virum Servaes, P.H. Tantum ergo (CC055) Van Helmont, C. Inviolata (CC049-MS052) Feremans, Gaston Ad Laudandum Dominum (CC046) Feremans, Gaston Annuntiate (CC008) Van Helmont, C. Missa secunda (vocal part) Van Helmont, C. Missa secunda (CC007) Van Helmont, C.