New Defender's Study Bible Notes
5:13 all that are in them. This incredible chorus of praise may well be heard throughout the universe, even by those still on earth. The last five Psalms (146–150) all begin and end with “Praise ye the LORD” [i.e., “Hallelujah”], and they reflect the spirit of the four praise choruses here at the throne (Revelation 4:11; 5:9, 12-13). Perhaps these psalms will actually be sung there.