Yann Peifer, known professionally as Yanou, is a German trance and Eurodance musician and producer. He is most famous for collaborating on DJ Sammy's hit Heaven with vocalist Do and for being a member of the popular German trance acts Tune Up! with DJ Manian, and Cascada alongside Natalie Horler as well as Manian. Before Yanou worked with Tune Up!, Cascada and DJ Sammy, he produced and wrote tracks for Beam & Yanou in the late 1990s.