Ed Sheeran fans have reason to Sing : The redheaded Brit will play the iHeartRadio music festival in Las Vegas this September. The singer-songwriter, currently at Number 16 on Billboard ‘s Hot 100 song charts with the Pharrell Williams-produced “Sing”, will preview sophomore album x for fans on June 17th at an album release party held at Clear Channel’s iHeartRadio Theater in Los Angeles. A 30-minute version of the Pepsi-presented party will be broadcast on Clear Channel’s Contemporary Hit Radio and Hot AC stations on June 23 (the day x is released), while a 60-minute version will stream on iHeartRadio.com and station websites.