Commentaries:
Jamieson, Fausset, and Brown
a new song—fresh, adapted to the occasion (Psalms 40:3; Psalms 96:1).
play skilfully—(Compare I Samuel 16:17).
A call to lively and joyous praise to God for His glorious attributes and works, as displayed in creation, and His general and special providence, in view of which, the Psalmist, for all the pious, professes trust and joy and invokes God's mercy. (Psa. 33:1-22)
The sentiment falls in with Psalms 32:11 (compare I Corinthians 14:15). The instruments (Psalms 92:3; Psalms 144:9) do not exclude the voice.
Other Jamieson, Fausset, and Brown entries containing Psalms 33:3:
Psalms 40:3
Psalms 96:1-3
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