Haydn's Symphony no. 103 begins with an unexpected?

Tchaikovsky suffered from __________

a) depression b) syphilis c) cholera d) tuberculosis

What ballet was produced by Diaghilev, had music composed by Erik Satie, was written by Jean Cocteau, and had sets designed by Pablo Picasso?

A) ?Petroushka B) ?Antigone C) ?The Cabinet of Dr. Caligari D) ?Parade