MusicMayhem x Mad Scientist x Tone x Hephzi – Cheer Up [New Song]Prodizzle·July 13, 2015·Share Mayhem, Mad Scientist, Tone, and Hephzi link up on this new single “Cheer Up” See alsoMusicKITSCHKRIEG & Dré Six Drop New Single “Bestie” Ahead of Album DOWNLOAD