I Built an AI Band with Vercel’s Eve Framework

Описание: This video shows how I took a simple Svelte + Tone.js sequencer and turned it into a multi-agent jam session using Vercel’s Eve framework. A producer agent takes a text prompt, sets the key and tempo, then hands off to specialized sub-agents for drums, bass, and keys. Each agent writes its own part and drops it onto the grid while the track keeps playing.

Eve’s file-system approach makes the agents easy to define and durable across sessions, so the music keeps going even if the backend restarts. If you’re experimenting with multi-agent setups or looking for a practical example of Eve in action, this walkthrough covers the structure, the tools, and the live results.

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Chapters
0:00 – Building an AI band with Eve
0:22 – From manual sequencer to agents
1:00 – Producer + instrument workflow
3:05 – Eve’s file-system approach
4:27 – Sessions, turns and durability
5:19 – First live demo (hand-written arrangement)
6:21 – Agents start jamming
7:07 – How the brief and tempo update work
8:03 – Drummer, keys and bass agents
10:38 – Refining the prompt live
13:15 – Where Eve stores state on disk
13:57 – Music keeps playing after killing the agents
14:29 – Closing thoughts

Useful links:
Eve: https://github.com/vercel/eve
Vercel AI Gateway: https://vercel.com/ai-gateway
Tone.js: https://tonejs.github.io/