Education
He studied with Polibio Fumagalli and Luigi Mapelli at the Conservatory of Milan.
He studied with Polibio Fumagalli and Luigi Mapelli at the Conservatory of Milan.
He was first organist and vice maestro di cappella of the Cappella Musicale del Santo in Padua till his retirement in 1942. Grassi held the classes of organ and history and aesthetics of music of Liceo Musicale Pollini.