Praise ye the Lord - Margin, Hallelujah. See the notes at Psalms 146:1.
Sing unto the Lord a new song - As if there was a new and a special occasion for praise. This would be so if the psalm was composed on the return from the exile; on the rebuilding of the city; and on the re-dedication of the temple. On the meaning of the language, see Psalms 33:3, note; Revelation 5:9, note; Revelation 14:3, note; see also Psalms 96:1; Isaiah 42:10.
And his praise in the congregation of saints - In the assembly of the people of God. See Psalms 148:14, note; Psalms 111:1, note.