TASK DEFINITION: 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.
PROBLEM: Category: BALLET
Clue: "Filling Station" features dancing truck drivers & this 1930s dance whose name is New York City's nickname

SOLUTION: the big apple

PROBLEM: Category: "FIRST" CHRONICLES
Clue: There is reddening of the epidermis but no blistering in this

SOLUTION: a first-degree burn

PROBLEM: Category: CLASSICAL MUSIC
Clue: Mendelssohn's "Songs without Words" were once the most popular pieces for this instrument

SOLUTION:
piano