This sinfonia (or overture) was the last thing composed for the Rossini's opera La Gazza ladra (known in English as The Thieving Magpie). Rossini, famous for being able to compose very quickly, was quoted in a 19th century biography about the conductor (Alessandro Rolla) ordering him locked in an upper room of Milan's Teatro alla Scala the day before the premiere under guard from four stagehands in order to complete the overture. As Rossini completed...