Austereo Group Limited is an Australian-based company engaged in commercial radio broadcasting. The Company operates three national radio networks, Today and Triple M, with stations in all mainland Australian state capital cities along with two joint venture stations in Newcastle and Canberra, as well as Australia’s national commercial digital radio network, Radar. The Today stations include a variety of songs, entertaining breakfast shows, promotions and events, and celebrity gossip. Triple M plays variety music in Adelaide and Perth. Radar is available through digital audio broadcasting (DAB) + digital radio receivers in Sydney, Melbourne, Brisbane, Adelaide and Perth, or streaming live online at radarradio.com.au. The Company is also involved in offshore markets, including Malaysia and United Kingdom. In March 2011, the Company announced that Macquarie Group Limited has increased its stake in the Company to 54.58% .