[1][2] Joop Voorn sang in the parish boys' choir "Ex ore infantium": Gregorian chant, Perosi, but also Palestrina, Bruckner and Jan Mul.
From 1952 to 1966 he studied philosophy and theology, including in Rome, where he also took counterpoint lessons with Edgardo Carducci at the Istituto Pontificio di Musica Sacra.
From 1966 he studied at the Brabant Conservatory in Tilburg: composition and theory with Jan van Dijk, and piano with Polo de Haas.
In the 1990s, Joop Voorn studied painting at the Academy of Fine Arts in Arendonk, Belgium.
He graduated in 1998 with honorable mention, both for his work and for his thesis entitled: Heeft de vorm een inhoud?