As a Eurovision Song Contest fan, Rosenberg covered the contest staged in Baku, Azerbaijan in 2012, where he demonstrated his piano playing skills when appearing on the Ken Bruce show the morning before the 2012 event. He played a short excerpt from every Eurovision winning song. Later in the show, he took part in a "Eurovision Popmaster", narrowly losing the competition to the author of "The Eurovision Song Contest - The Official History", John Kennedy O'Connor.