In the following 3 minute video, Dr. MacArthur explains the process that unfolds in true worship. He precisely identifies the elements of worship that must begin with knowledge of God. Worship may be expressed via music.
The following 5 minute video by Todd Friel, provides further explanation along the same lines.
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For an example of Alistair Begg and Todd Friel making the same point as in this post, see categories, Christian Music. (The title is related to Doctrine being a foundation for music.)