This week In One-Off Collaborations 10/52

Alice In Chains . Heart, David Gilmour . The Who, Iggy Pop . Metallica, Jonny Lang . Eric Johnson, Gary Clark Jr. . William Bell, Chicago . REO Speedwagon, Robert Plant . Sheryl Crow, Blake Shelton . Trace Adkins, Lionel Richie . Blake Shelton, Sharon Corr . Vonda Shepard, Billy Joel . Itzhak Perlman, Larry Graham . Mark KingThey are the 12 one-off collaborations selected among the 286 Posts we…