iHeart Radio Awards Kevin Fleming February 26, 2014 Entertainment, Music News, Radio Buzz, Radio News NBC will air the iHeart Radio Awards on May 1, and they’ll be held at the Shrine Auditorium in L.A. The awards will be based on results from a new iHeart Radio Chart, supplied and compiled by Mediabase. They include listener feedback and performance data, according to airplay; digital streaming data from the iHeartRadio platform, including “thumbs up” and custom station creations; and sales, social, video data, and tags from BigChampagne and Shazam. In addition, every voting category will include social #hashtags as the primary voting mechanism. Related