 He trained with Ercole Procaccini, with whom he worked in Milan and Turin.During 1648-9, under Procaccini, Busca along with Johann Christoph Storer, il Moncalvo, and Luigi Pellegrini Scaramuccia helped decorate of the "Chapel of the Crucifix" in the church of San Marco in Milan.In 1650-51, he traveled to Rome to work with Giovanni Ghisolfi, and collaborated with him at the Sacro Monte of Varese.