Terpsichore, painting by Jean-Marc Nattier, 1739, Wikipedia Commons
As her name suggests("terpo"=delight + "chorus"=dance), Terpsichore was the Muse of the Dance and the Dramatic Chorus. Most of the times,Terpsichore was depicted playing a lyre, while other symbols of hers included the triangle and the flute.
Terpsichore was also consideed to have been the mother of the divine singing Sirens.
