John Trapp on Psalms 135:3

Verſ. 3 Praiſe the Lord, for the Lord is good] ſcil. Originally, tranſcendently, effectively; hee is good, and doth good, Pſal. 119.68. and is therefore to bee praiſed with mind, mouth, and practice.

For it is pleaſant] An angelicall exerciſe, and, to the ſpirituall-minded man, very delicious. To others indeed, who have no true notion of God but as of an enemy, it is but as muſick at funerals, or as the trumpet before a Judge; no comfort to the mourning wife, or guilty priſoner.