John J.
He is the creator of Improv Planet, an online school of historic improvisation, where his students include concert Artists and conservatory faculty from across the world..
He is the author of The Pianist\'s Guide to Historic Improvisation , now in use as a course text at many leading conservatories.
He frequently teaches and performs internationally.
He is noted for his ability to improvise entire concerts.
Mortensen is a leader in the revival of historic improvisation.
John J