He was one of the signatories of the Articles of Association (Estatutos) of the Choral Society La Fraternidad (April 1853).
In January 1860 Sanpons was appointed Board member of the Euterpe Choral Society, of which Clavé was the president. In 1864, he became the vice-president of Euterpe and was acting president when Clavé was not in Barcelona. Starting in 1867, he was a member of the committee that managed the Camps Elisis in Barcelona, along with other members of Euterpe: Domingo Datzira, Frederic Canyolas, Antoni Paradell, Miquel Ferrer, Joan Serra, and Antoni Fumaña.