Praise
halal (haw-lal')
to be clear (orig. of sound, but usually of color); to shine; hence, to make a show, to boast; and thus to be (clamorously) foolish; to rave; causatively, to celebrate; also to stultify
ye the LORD
Yahh (yaw)
Jah, the sacred name -- Jah, the Lord, most vehement. Compare names in -iah, -jah.
Sing
shiyr (sheer)
to sing -- sing(-er, -ing man, -ing woman).
unto the LORD
Yhovah (yeh-ho-vaw')
(the) self-Existent or Eternal; Jehovah, Jewish national name of God -- Jehovah, the Lord.
a new
chadash (khaw-dawsh')
new -- fresh, new thing.
song
shiyr (sheer)
a song; abstractly, singing -- musical(-ick), sing(-er, -ing), song.
and his praise
thillah (teh-hil-law')
laudation; specifically (concretely) a hymn -- praise.
in the congregation
qahal (kaw-hawl')
assemblage (usually concretely) -- assembly, company, congregation, multitude.
of saints
chaciyd (khaw-seed')
kind, i.e. (religiously) pious (a saint) -- godly (man), good, holy (one), merciful, saint, (un-)godly.