1. The terms 'Psalms, Hymns and Spiritual Songs' inEphesians 5:19 & Colossians 3:16 do not refer to the 150 Psalms of the Book of Psalms.
2. Old Testament and New Testament saints did not live by this exclusive psalmist rule.
3. The angels and glorified saints did not sing the psalms.
4. There are possible remnants of hymns/canticles/doxologies quoted in the New Testament.
5. Progressive Revelation argues against Exclusive Psalmody.
6. Exclusive Psalmody leads to different levels of worship.