Wolfgang Niedecken (German pronunciation: [ˈvɔlfɡaŋ ˈniːdɛkn̩], Colognian pronunciation: [ˈvolfjaŋ ˈnidɛkˑən]; born 30 March 1951) is a German singer, musician, and visual artist. He founded the Kölsch speaking rock group BAP at the end of the 1970s. He soon became famous with BAP all over Germany. He is the lead singer and only remaining founding member of BAP.