If you only know Miguel Zenón as a saxophone player, you're missing half the story. Yes, he's got a sound — dry, urgent, a little nasal in the best way, built on hours of bebop vocabulary. But what makes him worth tracking isn't just how he plays, it's what he decides to play on. He's spent his career building records around specific ideas: the folkloric music of Puerto Rico, the migration stories of Puerto Ricans in the mainland US, the songbook of a single bolero singer. He treats the sax as a tool for research as much as expression.

He grew up in San Juan, came up through Puerto Rico's public school music programs, and eventually landed at Berklee and then the Manhattan School of Music, which is the standard route for a lot of serious jazz musicians of his generation. But instead of just absorbing the New York post-bop language and running with it, he kept turning back home. Jíbaro (2005) dug into Puerto Rican jíbaro music, the stuff from the mountains, all those nylon-string guitars and décima singing, and refracted it through a jazz quartet. Esta Plena (2009) did something similar with Afro-Puerto Rican plena rhythms, bringing in actual plena musicians alongside his working band. This wasn't fusion for fusion's sake — he was using the jazz language to ask what these older musical forms actually contain, harmonically and rhythmically, and how far you can stretch them before they stop being themselves.

His quartet with pianist Luis Perdomo has been the engine room for most of this work, and it's a tight unit — they've been playing together so long that the interplay feels less like accompaniment and more like four people finishing each other's sentences. Identities Are Changeable (2014) is maybe the clearest statement of his whole project: a suite built around interviews with Puerto Ricans living in New York, wrestling with what it means to carry an island identity in a city that doesn't always know what to do with it. It's heady material, but it never feels like homework when you listen to it — the grooves are real, the melodies stick.