Jon Hopkins' *Immunity* is a masterclass in tension and release, where classically trained piano meets bass that rattles your ribcage. It matters because it proves electronic music can carry as much emotional weight as a Rachmaninoff prelude—if you have a system that can handle the low end. Hear it on good headphones or a subwoofer; anything less misses the point.
The first time you hear “Open Eye Signal” on a proper system, the floor drops out from under you. Not metaphorically—the kick drum hits somewhere below the third plane of existence, and the room’s bass nodes start arguing with each other. Most people know Jon Hopkins from his piano work with Brian Eno, or from scoring that scene in Monsters where the alien lights drift through the fog. But Immunity, his fourth album, is where he stopped being a talented sideman and started building cathedrals out of sub-bass and delay.
Hopkins recorded most of the album in a small home studio in Hackney, but the piano was captured at Cafe Music Studios in London, where he’d been given access to a vintage Steinway Model B. The engineer on those sessions was Dave Lynch, who set up a pair of Neumann U67s in an X-Y configuration over the hammers, then ran them through a Neve 8081 console. You can hear the decision. On “Abandon Window,” the piano feels less like an instrument and more like weather—the sustain bleeds into the room, and the microphone preamps give it just enough grain to sound human. Hopkins said later that he wanted the piano to feel like it was playing itself, that he was just standing in the room while the harmonic series unfolded. He got there.
The Pulse and the Shadow
What makes Immunity different from most techno records is that Hopkins never forgets his classical training. The structure of “Collider” follows a sonata form, complete with a development section where the motif fragments and reassembles over nine relentless minutes. The B-side of that track—the second half, after the drop—is where the album’s thesis lives: the beat hasn’t changed, but the harmonic context is now minor, and the whole thing tips from euphoria into dread. It’s the same trick Ligeti used in his piano études, just with 808 kicks instead of prepared piano.
The vocals are used sparingly and well. King Creosote appears on “Breathe This Air,” singing lines about cold morning air and the sound of a train leaving town. His voice is processed through a H3000 harmonizer, pitched down just enough that it sounds like it’s coming from a different room—maybe the next car on that train. Hopkins keeps the vocal mix low, so you have to lean in. That’s the entire album in microcosm: it rewards the close listener and punishes the distracted one.
The Low End, Properly Handled
This is not background music. I cannot stress this enough. On “Form by Firelight,” the sub-bass starts at fifteen hertz and rolls upward. Most headphones and speakers just produce a puff of air. On a system with real extension—say, a pair of floorstanders or a good subwoofer—the note becomes physical. It presses on your chest. I first heard this album on a pair of HD 800s through a Woo Audio amp, and even then I could feel the kick drum in my teeth. The first time I played it through a proper REL subwoofer, I checked to see if the building was vibrating. It was.
Hopkins mixed the album with David Wrench, who had just finished working with Caribou and James Blake. Wrench said later that the hardest part was the bass in “Open Eye Signal”—they spent three days just tuning the decay on the kick. The final version uses a composite of three different samples: an 808 kick with the attack from a 909, layered over a tom hit from a LinnDrum that’s been pitched down two octaves and run through a spring reverb. The result is a kick that breathes. It isn’t just a thump; it’s a pulse with a shape.
The album closes with the title track, “Immunity,” which builds from a single piano note into a cloud of harmonics and field recordings. There’s no kick drum. No bass. Just the sound of a room, a piano, and the memory of everything that came before. It sounds like the moment after a long night, when the beats have stopped but your heart hasn’t caught up yet. That’s the whole record in eight tracks: a night out, a comedown, and the quiet after.
🎵 Key Takeaways
- Open Eye Signal kick drum hits below third plane of existence.
- Abandon Window piano recorded with X-Y Neumann U67s through Neve 8081.
- Collider structure follows sonata form with development section.
- Collider second half shifts harmony from euphoria to dread.
- King Creosote sings on Breathe This Air about cold morning air.
What genre is Jon Hopkins' Immunity?
It's primarily electronic/techno with strong ambient and classical influences. Think minimalist piano melodies built over complex, glitchy beat patterns and deep sub-bass.
Is Immunity a good album for testing speakers or headphones?
Yes, it's a benchmark for low-end extension and transient detail. Tracks like 'Open Eye Signal' and 'Form by Firelight' will reveal any weaknesses in a system's bass response or clarity.
Did Jon Hopkins play all the instruments on Immunity?
He performed the vast majority himself—piano, synthesizers, programming. Guest musicians include Leo Abrahams on guitar, King Creosote on vocals for 'Breathe This Air,' and Emma Smith on violin.
Further Reading