Grooveshark co-founder Josh Greenberg has died, aged 28.

The entrepreneur was found dead in his Florida home by his girlfriend on Sunday, July 19. Local police tweeted that there was no evidence of foul play or suicide.

Local newspaper The Gainesville Sun reports that the medical examiner’s autopsy found no explanation for a cause of death, although toxicology results will take up to three months.

Greenberg's digital service shut down earlier this year, after parent company Escape Media Group was faced ...