[FigBug]

JUCE has always been music focused. Originally it was created at the same time as the DAW Tracktion. It was split out of Tracktion and become its own product and Tracktion was sold to Mackie. Roli ended up purchasing JUCE and Tracktion was spun off into its own company.

Source: Tracktion developer since 2005.

[msutherl]

Ah, thanks for the clarification! Turns out I could have discovered that if I had Googled: https://www.juce.com/history-and-development – so much for speculation.