Ibrahimovic will be a guest at Sanremo Festival, but there is still unclear matters on the situations especially as the second evening of the festival is at the same day as Udinese's match.
According to what is being reported by Il Giornale, the Lega Serie A is divided on everything and there is also discussion on Sanremo. Rai would like the midweek matches in March to be played in the afternoon and pre-evening.
However, The Lega management, on the other hand, would not want to change the schedules. The presence or absence of Ibrahimovic on the Ariston stage that evening will also depend on the decision.
A recent report on the matter from La Gazzetta dello Sport suggests a solution to be found and that AC Milan is not worried, you can read it here.