- ...When time flies during a concert, you know there is (really high) quality being presented... Somehow the listener becomes one with the music and the texts... Yes, I was feeling bliss... (Ludwig Van Mechelen - Klassiek Centraal 18.12.13)
- ...the performance was serene, subtle, balanced, lively, exuberant, subdued, pure, harmonious.It must have sounded like this in the castles....(Ludwig Van Mechelen - Klassiek Centraal 03.02.11)
- The composition of Janpieter Biesemans [Coplas de Don Jorge Manrique] is a jeweled necklace, that with a seldom heard harmony and melody fits with the early music repertoire. Biesemans [is] a true and worthy heir of the other Flemish masters in the program... (Ludwig Van Mechelen - Klassiek Centraal 03.02.11)
- La cause est Amer: I recommend one of them to all enquiring spirits; an entrancing disc... Delicious! (Peter Grahame Woolf, Musical Pointers 2010)
- Kattenberg Recordings is an enrichment for the audio world (Fred Brouwers, Flemish classical radio)
- I love this record, and recommend it highly (Meic Goodyear in Lute News 91, October 2009)
- What a wonderful idea for a programme! (LGS Nostalgia)
- La Cause est Amer (the cause is bitterness / love), but the result is great delicacy and exquisite poetry: don't hesitate to treat yourself to an hour of courtly love in the company of ensemble Quadrivium. (P. Boquet, Chairwoman of Societe Francaise de Luth in Le Joueur de Luth, june 09)
- La Cause est Amer: Marvellous...those who love beautiful music, have to have this CD. (Ludwig Van Mechelen - Klassiek Centraal 15.09.09)