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.

Category: STARRY NIGHT 
Clue: The helix nebula is in this constellation, whose "arm" holds 5 stars suggesting a water pitcher
aquarius

Category: MUSICAL INSTRUMENTS 
Clue: Term for the various strands of gut, nylon, or wire stretched over the head of a sidedrum
snares

Category: CHAMBER MUSIC 
Clue: The "American" quartet is an 1893 work by this Czech composer known for his interest in the New World

dvorak