Quick heads-up, Nokia Internet Radio app for Symbian^3 devices updated to v3.5. No change has been released, but it appears that this update brings support for Nokia Belle devices. The update is now live over Nokia Store.
“The Nokia Internet Radio enables you to discover and enjoy the radio shows transmitted over the Internet. Using Station Directory you can search for radio stations by genre, language or country/region.”
Nokia Internet Radio for Symbian^3