Later, while working as a waiter at the home of Maud Robard, he joined the Saint Soleil commune organized by Robard and Jean-Claude Garoute, which united a variety of poor artists including singers, dancers, craftsmen, and painters into the movement.
Pierre-Louis followed Robard to the community at Soisson-la-Montagne on the mountain above LaBoule and eventually became the most prominent painter in the group.
After years of labor, Pierre-Louis's technique greatly evolved and he became a prominent and respected member of the local art community.
His flourishing career came to an abrupt end when he died prematurely of an asthma attack in November 1997.
Works by the artist are also part of the collection of Prince Olivier Doria d'Angri.