Mangelsdorff's trombone speaks in multiple voices at once, asking questions the ensemble never quite answers.
Horns opens with trombone sounds you've probably never heard before—simultaneous pitches emerging from a single instrument, textures that hover between melody and noise. Albert Mangelsdorff is doing something close to singing and growling at the same time, creating a kind of internal argument within the horn itself. The rhythm section doesn't lock down a groove; instead it floats around Mangelsdorff's inquiries, responding but never settling. This is free jazz in the truest sense—no predetermined chord changes, no head-and-solos structure. Just musicians listening hard to each other.
Mangelsdorff had already spent years developing multiphonics, the technique of producing multiple notes simultaneously on trombone, but on Horns he uses it not as a novelty but as a genuine language. The album breathes more than it swings. Some passages are almost conversational, a few horns trading short phrases. Others drift into something closer to texture—sustained, questioning, sparse. There's no melody you'd hum afterward, but there are moments that lodge themselves in your ear because of their strangeness and honesty.
This is not a beginner's entry point to Mangelsdorff; it demands patience and an ear tuned to free improvisation. It's strongest for listeners who already know his work or who have spent time with European free jazz from this period. The album makes no concessions to accessibility, and that's exactly what gives it weight. These are serious musicians having a serious conversation, and the listener is welcome to listen in.