The piece played before the start of class was George Crumb, A Haunted Landscape (1987):

 

The other pieces played in class:

[no composer], Pendet penyambutan

 

John Cage, Sonata No. 1 for prepared piano (1946)

 

George Crumb, Black Angels (1970)

 

Whitney George, “Mysterious Starling” from Extinction Series (2014-)

 

Whitney George, “Imperial Woodpecker” from Extinction Series (2014-)

 

Tôru Takemitsu, Signals from Heaven (1987)

I. Day Signal

 

II. Night Signal