Question: Who played the cowbell on don't fear the reaper?
Disambiguated questions and answers: question: Who played the cowbell on don't fear the reaper according to Bassist Joe Bouchard?
Who played the cowbell on don't fear the reaper according to bandmember Eric Bloom?
answer: Albert Bouchard
Albert Thomas Bouchard
David Lucas
Lucas
Natural Questions answer: Albert Bouchard (from the Wikipedia article "(Don't Fear) The Reaper")