I respect your opinions regarding The Wedding Singer, but I beg to differ.
I don't know from ego or opening numbers as I haven't seen the show (I never saw the film either because I think Adam Sandler is unfunny). I only know it was the best musical number on the Tony show broadcast.
IMO it was one of the few things that generated any EXCITEMENT through the "tube." Unbelievably, you could UNDERSTAND EVERY WORD the singer was singing, which is saying something for rock songs. The choreography IMO was TERRIFIC! Having the dancers in those prom-type dresses doing front and side splits in the air and on the ground, the high knee lifts, the intricate dance patterns and the general ENERGY of the dancers was downright EXHILERATING! For this viewer, the number definitely perked up an otherwise sad-sack awards presentation...AND made me want to see the actual show.