Miner Auditorium felt less like a concert hall and more like an open‑air workshop on July 28, when saxophonist and resident artistic director Ravi Coltrane invited the Bay Area to step onto the same stage where, moments earlier, he and his house band—pianist Sundra Mannin, bassist Gary Brown, and drummer Elé Howell—had been shaping Coltrane family repertoire into fresh clay.