Matthew (Phelan) Stolarz is a musician, performance artist, and producer. He is mostly known for the lyric video for Sia's "Cheap Thrills" where he portrays the judge in a fictional 1950s dance competition show called "Dance Stage USA". He performs and releases visual art and music as Tasks, is founder-singer-songwriter of indie/alternative band The Active Set, and is a founding bassist of punk rock band The Briggs. He is also the main producer of Chisel Pixel Productions, a music video/movie company.