TOD
Cavalli: operas L'Ormindo and La Calisto
Monteverdi: operas The Coronation of Poppea and The Return of Ulysses To His Homeland
Pachelbel: the ubiquitous Canon
Purcell: opera The Fairy Queen
Bach: Brandenburg Concerti, Christmas Oratorio, Cantatas, Mass in B minor
Pergolesi: choral Stabat Mater
Handel: Water Music, Musick for the Royal Fireworks, oratorios Messiah and Israel in Egypt, operas Acis & Galatea, Semele
Mozart: nearly everything, especially operas The Marriage of Figaro and Don Giovanni and the clarinet quintet
Haydn: oratorio The Creation, some of the symphonies, esp. No. 94 "Surprise," British, Welsh, Irish folk song arrangements
Beethoven: the 9 symphonies, Missa Solemnis, opera Fidelio, British, Welsh, Irish folk song arrangements
Weber: overtures, opera Der Freischutz, clarinet concertos, folk song arrangements
Berlioz: Overtures, Symphonie Fantastique, Les Nuits d'Été, Requiem
Mendelssohn: "Italian" symphony, Incidental music to A Midsummer Night's Dream, Violin concerto
And there I will stop.