Andrea Bocelli, Michael Bublé, Celine Dion and other top performers descend on Las Vegas' Mandalay Bay to celebrate the work of David Foster, the prolific pop songsmith and producer behind numerous hits. The set list includes Katherine McPhee on "Somewhere," Kenny G on "St. Elmo's Love Theme," Bocelli on "Amopola," Babyface and Kevon on "I Swear," Bublé on "Home," and Charice on "I Have Nothing" and "I Will Always Love You."