THEMATIC a.
Of or pertaining to a theme, or subject. Thematic catalogue (Mus.), a catalogue of musical works which, besides the title and other particulars, gives in notes the theme, or first few measures, of the whole work or of its several movements.
VIOL n.
A stringed musical instrument formerly in use, of the same form as the violin, but larger, and having six strings, to be struck with a bow, and the neck furnished with frets for stopping the strings. Me softer airs befit, and softer strings Of lute, or viol still, more apt for mournful things. Milton.…