He is most known as a composer of ballets which he wrote for the King's Theatre in Haymarket in London.
One source states that while in Italy he wrote operas as well as piano music including sonatas.
[2][3] There he became associated with the King's Theatre in Haymarket where he was a composer of ballets, a conductor, and responsible for the musical preparation of operas.
[4] He married a Mademoise del Caro, a dancer in the company.
[3] In September 1802, the Monthly Mirror reported that Bossi had died in the King's Bench Prison "of a deep decline."