Throughout his musical career, Francis Javier has performed with various early music ensembles, specializing in historical plucked instruments such as the medieval citole and gittern, the Renaissance cittern and mandore, and the Baroque mandolin and bandurria. His versatile repertoire also spans classical and contemporary music, performed on the Spanish lute, bandurria, and mandolin. He has performed in countless concerts and festivals across Spain, France, Italy, and the United States.