On February 20 2007 , the opening night of Donizetti 's La Fille du rÃ giment at La Scala , FlÃ rez broke the theater 's 74-year-old tradition of not having any encores when he repeated the aria `` Ah ! On February 20 , 2007 , the opening night of Donizetti 's La fille du rÃ giment at La Scala , FlÃ rez broke the theater 's 74-year-old tradition of no encores when he reprised `` Ah !