British pop and R&B singer Taio Cruz will headline 2012's Slope Day, the Slope Day Programming Board announced Thursday. American pop rock outfit Neon Trees will open the day's festivities. Cruz's number one single, "Dynamite," and Neon Trees  "Animal" are well-known hits on the radio. In 2011, the Slope Day Programming Board featured hip-hop artist Nelly, and the year before that, Drake.