The piece played before the start of class was Franz von Suppé, Overture to Poet and Peasant (1846) 

 

Recordings of the music played in class are available here, arranged alphabetically by composer (or performer, in the case of pop music) last name:

Anonymous, Kyrie eleison (c. 5th century) 

Philip Glass, “Knee-Play 1” from Einstein on the Beach (1975) 

Michael Jackson, Wanna Be Startin’ Something (1982) 

Ke$ha, We R Who We R (2010) 

Orlando di Lasso, Kyrie eleison from Missa Bell’ Amfitrit, alerta (1610) 

Wolfgang Amadeus Mozart, Eine Kleine Nachtmusik, I. Allegro (1787) 

Wolfgang Amadeus Mozart, “Der Volgelfanger bin ich ja” from Die Zauberflote (1791) 

Franz Schubert, Die Forelle (1817) 

Simon & Garfunkel, Scarborough Fair (1966) 

John Philip Sousa, Stars and Stripes Forever March (1896) 

The Weeknd, The Hills (2015)