This chord is one of the most captivating in rock history. 🌌 In this video, I reveal the secret behind this iconic chord used by David Gilmour: the minor 13th chord—a rich, soaring, and deeply expressive chord. Let's see together: 👉 How to construct an m13 chord (and understand it harmonically) 👉 Why it sounds so "cosmic" in Shine On You Crazy Diamond 👉 How to play it on your guitar, with several possible voicings 💡 Free bonus: download the free mini-book "The Psychedelic Chord of Shine On": https://objectif-guitare.com/accord-m... My E-BOOK "8 lessons in 8 weeks to master the basics of improvisation" is available for free download: https://objectif-guitare.com/recevez-... MY WEBSITE: https://objectif-guitare.com/ FACEBOOK: / objectif.guitare INSTAGRAM: / objectifguitare Intro music: AdKey:WmP_jV59wZ4J7o #tutoguitar #pinkfloyd #shineonyoucrazydiamond