For me, its a hard choice. For some things it would be an organ like the one used in Bach's Tocatta fugue in D minor (classic Dracula music), but not sure if available in the time frame given. Lutes/recorders are great and harps as well.
Depending if voice is considered as an instrument - nothing sets the mood quite like quoir music, large or small groups.
Power corrupts, and absolute power corrupts absolutely!
Despise learning and make everyone pay for your ignorance.
The water that floats a ship is the same that sinks it.
My LEGO figures keep me from being evil, drat!!