The iHeartRadio Music Festival is the largest live music event in radio history held at the MGM Garden Arena in Las Vegas, NevadaSeptember 24, 2011EditThe night featured acts from several artists, including Jay-Z, Usher, Bruno Mars, Jennifer Lopez, Nicki Minaj, and Lady Gaga. There was a special stage built specifically for Gaga's performance. Justin Timberlake introduced Lady Gaga.Gaga named this performance a "Surrogate Monster Ball". Despite going over her allotted 45 minutes of performance time, Gaga joked with the crowd about her long sets: "They told me I was only allowed to play for 45 minutes. But I think you're all pretty drunk so you probably don't know what time it is do you?"Set list"Scheiße" (Intro)"Judas""Bad Romance""Just Dance" / "LoveGame" / "Poker Face""Hair" (acoustic)"Yoü and I" (acoustic)Hooker Film ("Government Hooker")"Alejandro" / "Telephone" / "Paparazzi""Stand By Me" (with Sting)"King of Pain" (with Sting)"The Edge of Glory""Born This Way""Heavy Metal Lover" (Outro)Jamey Rodemeyer tributeEditBefore Gaga started performing "Hair", she gave a short speech and had a few lines projected onto a screen.On September 18th Jamey ended his lifeHe was only 14 years old@ladygaga: bye mother monster, thank you for all you have done, paws up forever09.19.2011 - RIP JameyAfter the lines, a photo of Jamey was shown from his "It's Get Better" video.During the song, Gaga mentioned Jamey's name."I've had enough, enough, enough, this is my prayer, Jamey, I swear, I'm as free as my hair.""I've had enough, Jamey you're not a freak."