bass
to sing bass

feelingly
to sing feelingly

hear
I heard him sing at a concert

on
to sing on

part
to sing in parts

prime
to sing the prime

sharp
to sing sharp

sing
to sing a song

sing along
sing along with us

sing out
to sing out the Old Year

sing up
sing up!

sing.
singular

sink
you must sing or sink

toffee
she can't sing for toffee

tune
to sing another tune