Rick Warren’s Use of Psalm 40:3 to Endorse “Rock” Worship.
And he hath put a new song in my mouth, even praise unto our God: many shall see it, and fear, and shall trust in the LORD. Psalm 40:3, KJV
Saddleback Church is known as, “The flock that likes to rock!” On his Pastors.com website Rick Warren addresses the controversial subject of church music as he shares “three thoughts about music in worship,” which are: “Music is powerful”; “You can’t please everyone”; and, “It’s the message, not the music.” 
In developing his first thought, Pastor Warren employs Psalm 40:3 to be a biblical endorsement for any type of contemporary Christian music. He writes:
In Psalm 40:3 (NCV) David says, “He put a NEW song in my mouth . . . Many people will see this and worship him. Then they will trust the Lord.” Notice the clear connection between music and evangelism: “Then they will trust the Lord.” 
Warren infers that David’s “new song” can refer to rock music and that such a contemporary and culturally relevant music possesses an ability to evangelize people’s hearts in a way that traditional hymns and sermons (i.e., the preached word) cannot. But really, is that the message of Psalm 40? As opposed to singing traditional hymns, did David mean to endorse for the worship of God any “new” musical expression that our culture might invent? Among the many other styles of music in western culture, do rock, reggae, rap, or other cultural varieties equate to David’s “new song”? Let’s look at the Psalm.
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