Zlatan Ibrahimovic and Sinisa Mihajlovic may have earned hard man reputations in football, but Italian viewers will get the chance to see their softer side when the two friends sing a duet of 1970s hit 'Io Vagabondo' at the Sanremo festival. The host of the annual music festival, Amadeus, said on Monday that AC Milan striker Ibrahimovic, 39, and Bologna coach Mihajlovic, 52,