Sad news: a beloved piece of our head-banging, devil-horns-throwing, hair-metal-consuming youth is gone, as Quiet Riot singer Kevin DuBrow was found dead of unknown causes at his Las Vegas home yesterday. Join us in memorializing his life by putting "Cum On Feel the Noize" on repeat in your iTunes for the rest of the day, taking the occasional break to watch the video for "Mama We're All Crazee Now" on YouTube. [MTV.com]