The bass from Android's audio analyser drives the glow and brightens the carving on the beat, only while the style is on screen. Yellow and green and the embers keep their meaning; without a signal, as with the radio, the light stays as it was. Levels only. Tried on the emulator. Not tried on the car. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01LhzAVaUyqcw5PkGjz4mWW6