Film Composer Ships C64-Style Music App Built With Grok Build

On August 22, as Grok Build went live in the Android Grok app, professional film composer @DigitalColmer immediately used it on his phone to build a Rob Hubbard-style music generation app and published it inside the Grok app. It is a representative early demonstration of what Grok Build enables on day one.

Confirmed

• The app generates music using Commodore 64 SID chip sound libraries
• The goal is to emulate the style of 1980s game composer Rob Hubbard
• The whole build was done within the Grok app on Android using the new Build feature
• The app has been published in the Android Grok app

Why it matters

• The author is a professional film composer, showing that creative professionals without a programming background can quickly turn ideas into working products with Grok Build
• It demonstrates a fast idea-to-app workflow and stands out as an early user practice right at Grok Build's launch

2026-08-22 ~ 2026-08-22 · 5 related posts

• Using Grok Build to create a Commodore 64 style music composer app — DigitalColmer · 2026-08-22
• Developer uses Grok to create C64-style music generator app — DigitalColmer · 2026-08-22

3 near-duplicate retellings: DigitalColmer · DigitalColmer · DigitalColmer