"Tacked on as a bonus disc, the 2011 duets collection Gems shows he can still belt it out with the best of them, particularly the covers of U2's "Pride (In the Name of Love)" and Joe Cocker's "You Are So Beautiful." But casual fans will be more concerned with the first hits-packed disc, which may do its job, but ultimately, is indistinguishable from the mountain of similar compilations"