Dulcimer
(1) An instrument consisting of an oblong or square box strung with wire strings, struck by small hammers held in the hands of the performer. (2) A small toy instrument, in which strips of glass or metal are used instead of wire strings, played in the same way.
Duolo (It.) (doo-o'-lo), con doloroso (It.), con dolore (It.) (do-lo-reh). Plaintively; mournfully.