Misc: who sang deeply dippy?

Questions

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?

For which of his operas did Rimsky-Korsakov write The Flight ofthe Bumblebee?