Liebman grew up in Brooklyn obsessed with John Coltrane, the way a lot of saxophonists his age were, but he didn't just copy the licks — he wanted to understand the machinery underneath them. That instinct to take things apart and figure out how they work never left him. By the time he joined Miles Davis's band in 1973, playing soprano sax on the dense, half-improvised, half-chaotic music that became Dark Magus (1977) and Get Up with It (1974), he already had the reputation of a guy who practiced harder than everyone else in the room.

His soprano tone is not pretty in the conventional sense — it's sharp, vocal, sometimes almost shrieking, closer to a human cry than a smooth jazz line. That's by design. Liebman came up in the era when saxophonists were pushing the instrument toward its physical limits, and he never really let go of that intensity, even when the music around him got calmer. His early band Lookout Farm, documented on Lookout Farm (1974), mixed modal jazz vamps with fusion textures and a loose, exploratory feel that owed as much to the avant-garde as it did to Coltrane's quartet.

The partnership that probably defines him best is with pianist Richie Beirach, first in Lookout Farm and then in the long-running group Quest, which they kept going on and off for decades. That music is denser and more composed than people expect from a guy with Liebman's free-jazz instincts — intricate post-bop writing, shifting meters, a real conversation between two musicians who clearly spent years in the same room arguing about harmony.

What separates Liebman from a lot of his generation is how openly he's treated jazz as something to be taught, not just played. He's written theory books, founded the International Association of Schools of Jazz, and talked for hours in interviews about chromaticism and scale theory the way other musicians talk about gear. That can make him sound academic on paper, but on record the playing stays urgent — this is not someone coasting on technique. He's still out there, still recording, still restless, and if you only know him from the Miles Davis years, you're missing most of the story.