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: ROCK AROUND AMERICA 
Clue: The house where this Janis Joplin band was formed once stood at 1090 Page Street in San Francisco
[A]: big brother and the holding company


[Q]: Category: TV BEFORE & AFTER 
Clue: Jack Bauer saddles up & joins 3 friends bringing about the end of the world
[A]: 24 horsemen of the apocalypse


[Q]: Category: CLASSICAL COMPOSERS 
Clue: In 1859 this "Swan Lake" composer graduated from the St. Petersburg School of Jurisprudence
[A]:
pyotr tchaikovsky