Slau (also known as Slavko Halatyn and Jerry Halatyn) is an American singer/songwriter and producer of Ukrainian descent living in New York City. He is best known in the podcasting and podsafe music world for producing the Podsafe for Peace holiday anthem "If Every Day Were Christmas".In the mid-1980s, Halatyn partnered with Darka Konopada to form Darka and Slavko and became one of the most popular duos in Ukrainian diaspora and Ukraine.