Watch the How Great Thou Art 7 online guitar lesson by Tim Sparks from Post-Modern Fingerstyle Blues

As we retrace the arrangement here, note how much harmonic space we've built into the arrangement with the use of "sus" (suspended) chords. They take the 3rd out of the chord. Without the 3rd to help define a major or minor sound, there's a kind of an ethereal, floating quality to the harmony, which jazzers love because it gives them a lot of elbow room for experimenting with melodic lines and accompaniment.

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