Musicbot answers questions about music

User: Who wrote Staying Alive?
Musicbot: Staying Alive was written by the Bee Gees.
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User: Who wrote the song "I'm a Believer"?
Musicbot: The Monkees wrote the song "I'm a Believer".
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User: Who wrote the Head like a hole?
Musicbot: Head like a hole was written by Nine Inch Nails.