Austin Mahone - "MMM Yeah" LIVE at the Real-Time Charts Launch Event

Austin Mahone helps celebrate the launch of the Billboard/Twitter Real-Time Charts with an acoustic performance of "MMM Yeah" presented by McDonald's. Find out how you can influence the new Billboard Trending 140 chart: http://t.co/85McbNdpC8 SUBSCRIBE NOW http://bit.ly/BillboardSub for more exclusive performances, interviews and in-depth coverage of the world's biggest music events.