Title. A psalm or song] See Notes on the title of psal. 30. for the sabbath-day] To be sung on the sabbath: and it teacheth us, That the right use of the sabbath standeth in praising God, and meditation on his works, and not in ceasing from work onely, v. 4. GOod thing to give thanks unto the Lord, and to sing praises] Psalms 147:1.