Take your music to the next level with Prosonic Charts, a new series of cutting-edge books designed to give your playing a boost! Tony Pappas, creator of Prosonic Charts and well known for his work on the Ghosts of Orion project, put it this way, "Chords are like colors, and a musician with only a couple of chords, is like a painter with only red and green, it's way too limiting.
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