Board Thread:Suggestions forum/@comment-26456694-20160604214915/@comment-76.116.94.54-20160604230226

"Kili and Fili rushed for their bags and brought back little fiddles."

Also

"Dori, Nori, and Ori brought out flutes front somewhere inside their coats.....Bifur and Bofur went out too, and came back with clarinets they left among the walking sticks."

So you see, many dwarven instruments.