Nominees were announced Tuesday for the upcoming 2012 Juno Awards, Canada's version of the Grammys.  Among the artists scoring multiple nods are Canadian rapper Drake, teen pop singer Justin Bieber, Nickelback and others.  In the coveted Album of the Year category, Drake's latest album will be up agains Avril Lavigne's "Goodbye Lullabye," Nickelback's "Here and Now," and a pair of Christmas albums, "Bieber's "Under the Mistletoe" and Michael Buble's "Christmas."  The ceremony is scheduled to be held April 1st in Ottowa, Ontario.