In 1992, he moved to Paris, where he became organist at the Danish Church and he studied piano (Christine Paraschos), improvisation (Pierre Cogen) and organ (Susan Landale) in the soloist class at the music conservatory.
At the final exam in 1995 he was unanimously awarded the 1st prize of virtuosity by the jury ("Prix de Virtuosité à l'Unanimité + Félicitations").
He has since performed vigorously as a soloist at home and abroad, on radio and television, participated as soloist in international festivals, participated in several recordings of CD's and movies, as well as he has published a huge series of works for Danish publishers.
Jakob Lorentzen cooperates with many prominent artists, for example cellist Andreas Brantelid, soprano Ditte Andersen, flutists Janne Thomsen and trombone professor Jesper Juul.
In 2006, Jakob Lorentzen played in Christiansborg Palace Chapel for the christening of Prince Christian.