Camillo Barni was an skillful Cellist. He received his first instructions in cello playing at the age of fourteen years from his grandfather, David Ronchetti. Later on, Giuseppe Gadgi, Canon of the Cathedral at Como, taught him for a few months. At the age of twenty Barni joined the opera orchestra of Milan, of which he became first violoncellist in 1791. In the year 1802 he went to reside permanently in Paris, where he appeared as solo player, and then, for several years, was an active member in the orchestra of the Italian Opera. Between 1804 and 1809 he published several duets for his own instrument and the violin. He also wrote a cello concerto.