 Instrumentation varies with each album as appropriate to the theme or time period of the album concept, and typically includes piano, bells, violin, pipe organ, harpsichord, timpani drums and other percussion.Some albums also include cymbals, lutes, acoustic guitars, bagpipes and glockenspiel, depending on the theme of a given album.Their music is generally classified as dark wave or dark ambient, "sometimes sandwiched into the gothic music genre"  and aptly labeled "atmospheric gothic."