a cappella
unaccompained
solo
someone singing on their own
melismatic
when you sing one syllable with lots of notes
compound time
the beat is diviable by 3
straw ber ery
tenor voice
high male voice
duet
for two singers
baritone voice
high and low male voices
ostinato
repeated pattern
bass voice
low male voice
riff
repeated phrase on a bass guitar
saprano
high female voice
alto
low female voice