ON THE ROAD: Donny Osmond of Irvine...

ON THE ROAD: Donny Osmond of Irvine is turning theatrical. Osmond will play Joseph in a new production of the play “Joseph and the Amazing Technicolor Dreamcoat.� It opens a yearlong run in Toronto in June and then tours the United States. . . . Twenty years ago, with sister Marie, he churned out the best-selling records. Now 34, he’s been recording again--including last year’s heavy metal version of “Stayin’ Alive.�