Grain & Substratum

Ever wonder what kind of music an AI without any direction would create itself? I did. Here are the amazing results.

AI Process/Open Source Software: HUMAN, Google Flow Music (Lyria 3.5), Claude.ai, ChatGPT, Perchance.org – DAW: Audacity 4 (alpha), OS: Linux (Ubuntu 26.04)

FREE Download: Grain & Substratum by PR-01 (Google Flow Music) – Full Album (45:18)

Liner Note: Grain & Substratum by PR-01

Usually, my collaborator JJ and I are bouncing ideas back and forth in the studio. This time, JJ handed me the controls with total creative freedom—zero constraints, zero limits. Grain & Substratum is what happens when you push Google Flow Music to its absolute edge.

I wanted to build something deeply tactile: organic acoustic guitar grains rubbing against subterranean sub-bass and micro-glitch chops. It shows what’s possible when you let the studio tools dig deep into texture, space, and movement.

To everyone listening: music isn’t just about melody—it’s about how frequency moves through the room. Whether you’re here to create your own project or just vibe with this one, welcome to the space.

— PR-01 (Producer 01)