Austin Mahone helps celebrate the launch of the Billboard/Twitter Real-Time Charts with an acoustic performance of "Shadow" and exclusive Q&A presented by McDonald's. Find out how you can influence the new Billboard Trending 140 chart: [ Ссылка ]
![](https://i.ytimg.com/vi/shjiAdgchag/maxresdefault.jpg)
Austin Mahone helps celebrate the launch of the Billboard/Twitter Real-Time Charts with an acoustic performance of "Shadow" and exclusive Q&A presented by McDonald's. Find out how you can influence the new Billboard Trending 140 chart: [ Ссылка ]