Misc: In 1917 10 suffragists arrested as they picket the---------- . ?

Questions

Who was called "Il Prete Russo" (The Red Priest)?

In what city did the barcarolle originate?

For whom was an arrest warrant issued in Dresden in 1849?

Who wrote the operetta Orpheus in the Underworld?

In 1923, Arthur Honegger wrote Pacific 231. What inspired it?