[2] Founded by iHeartRadio in 2014, the event recognizes the most popular artists and music over the past year.

Winners are chosen per cumulative performance data, while the public is able to vote in several categories.

Its first two years were broadcast live on NBC; from 2016 to 2018, it was simulcast on TBS, TNT and TruTV.

[7] In addition, every public-voting category (nine in 2018),[8] includes social hashtags as the primary voting mechanism.

[9] "Anti-Hero" "Kill Bill" The categories cover an array of genres, including pop, alternative rock, hip-hop, R&B, Latin and regional Mexican music.