You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.

[Q]: Category: MUSICAL INSTRUMENTS 
Clue: Newly discovered, perhaps the oldest playable instrument is one of these, made from a crane's bone
[A]: flute


[Q]: Category: GODS & GODDESSES 
Clue: Augustus Caesar encouraged the worship of this god who was considered the avenger of Julius Caesar
[A]: mars


[Q]: Category: BEETHOVEN 
Clue: Poet & critic Ludwig Rellstab compared this piano work to a nighttime boat ride on Lake Lucerne
[A]:
moonlight sonata