Noel Johnston is one fascinating musician. His social media post often share the interesting things he’s exploring musically. He doesn’t dumb things down but shares geeky things with the curiosity of a child and the insight of someone with a lot of musical experience. So, when Noel told me that this book (that he’s been … Continue reading Book Review: The 4-Note Universe: A Systematic Exploration of 4-Note Chords & Arpeggios with Études for Guitar by Noel Johnston