The "Haydn: Complete Symphonies" 33 CD box set by Adam Fischer is a comprehensive collection of all 104 symphonies composed by Joseph Haydn. Released in 2002 under the Brilliant Classics label, this set features the Austro Hungarian Haydn Orchestra conducted by Adam Fischer. Each CD contains a single symphony by Haydn, showcasing the classical style of the composer. This box set is a must-have for music enthusiasts looking to enjoy the complete works of Haydn in one convenient collection.