 He also released another song ("I Sign a Little Player or Two") on the internet with a parody of Mourinho in an interview then breaking into song.In 2005, he starred as Keano in the comedy musical play "I, Keano", which concerns Keane storming out of the Republic of Ireland national football squad during preparations for the 2002 FIFA World Cup.In 2005, Rosenstock achieved the Christmas number one single in the Irish music Charts, with a parody of Will Young's song "Leave Right Now" (which itself was a Christmas number-one in 2003).