STYLE: a manner or mode of composition: e.g. "imitative polyphony" or "melody and accompaniment"
DYNAMICS: written instructions to perform softly or loudly
ORATORIO: a long work like an opera, but on a religious theme and not staged
KETTLEDRUMS or TIMPANI: big bowl-shaped drums with definite pitch
SOPRANO: the highest voice part, usually sung by women or boys
ALTO: the next-to-highest voice part, usually sung by women, occasionally by men
TENOR: the next-to-lowest voice part, usually sung by men
BASS: the lowest voice part, sung by men