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.

[EX Q]: Category: ENDS IN "I" 
Clue: Stephen S. Wise was a well-known one; Isaac Bashevis Singer was the son of one
[EX A]: a rabbi

[EX Q]: Category: CLASSIC CINEMA 
Clue: In 1915 film, "Birth of a Nation", Joseph Henabery played this president
[EX A]: abraham lincoln

[EX Q]: Category: ORGAN RECITAL 
Clue: An album of Bach played on the 4 organs of Freiburg was released in 1974 in this type of multi-channel sound
[EX A]:
quadraphonic