Marco Bossi in Moscow, 1906 Marco Enrico Bossi (April 25, 1861 in Salò – February 20, 1925) was an Italian organist, composer, improviser and pedagogue (See: List of music students by teacher: A to B#Marco Enrico Bossi.). Trio Sinfonico per violino, violoncello e pianoforte Op.123 (1901) I. Moderato - Energico con vita II. In memoriam: Adagio III. Novelletta: Allegretto IV..