Day 14 Psalms 81-89

Psalms 81-89. You may read it here http://www.esvbible.org/Psalm+81/

Exclusive psalmody is the practice of singing only the biblical Psalms in congregational singing as worship. Today it is practiced by several Protestant, especially Reformed denominations. From what you have read so far of the psalms do you think it would be a good practice or would you find it limiting?