The first musical instrument was Trumpet. The instrument was invented in 1500 BC. Initially silver and bronze trumpets were introduced, the word Trumpet is derived from the old french name "Trompette". Trumpet is considered as one of the oldest musical instrument and was apparent in arts, literature and music.
If you're asking if that's what he did, then yes. He was fascinated with the body in motion, and wanted to experiment with Muybridge to make chronophotographs of men jumping and running.
