Holy Trinities: Essential Trio Recordings There’s an architectural principle that the triangle is the strongest shape: Three sides and three angles bear weight evenly, dispersing… This content is available to subscribers only. To continue reading, please login or start a FREE 14-Day Digital Subscription. Bundle your subscription with our award-winning print magazine here. Join Our Email Newsletter Join thousands of other jazz enthusiasts and get new music, artists, albums, events and more delivered to your inbox. Sign Up Now!