Leon Russell, left, leans on his cane as he sits with Bob Blackburn, executive director of the Oklahoma Historical Society, in Tulsa, Okla., Tuesday, Jan. 29, 2013. The Oklahoma Histori

 

              Leon Russell, left, leans on his cane as he sits with Bob Blackburn, executive director of the Oklahoma Historical Society, in Tulsa, Okla., Tuesday, Jan. 29, 2013. The Oklahoma Histori
Leon Russell, left, leans on his cane as he sits with Bob Blackburn, executive director of the Oklahoma Historical Society, in Tulsa, Okla., Tuesday, Jan. 29, 2013. The Oklahoma Historical Society has acquired a large collection of works by the legendary musician and native Oklahoman that are intended for display in a planned pop culture museum in Tulsa. (AP Photo/Sue Ogrocki)