It's available via DAB to around 95% of listeners in Northern Ireland, giving a taster of what's to come on the station.
The new station will cover a mix of American and local country music, showcasing talent right across the spectrum of contemporary and classic genres.
Most DAB digital radios that can already receive Downtown Radio on DAB should add the new station automatically, but some will need to be retuned. Listeners can check which stations they can receive in their area on DAB at http://www.getdigitalradio.com/whats-on-dab/in-your-area
Listeners across the UK can listen on via the Downtown Radio app for mobile or tablet and online at downtown.co.uk.