The song "Chi (Who)" was written by X Factor judge Morgan and vocal coach / music producer Gaudi for the show and was performed by Aram Quartet during the finals of the series for Rai 2 that aired on 27 November 2009.The single was officially released by Sony BMG as an EP immediately after the announcement of the results with Aram Quartet declared as winner. It reached #5 on 5 June 2008 on the Italian Singles Chart in its first week of release, then going down to #9 the following week.