Long running ABC hit “Grey’s Anatomy” will feature the song “Mr. Blues” from Blues heavyweight Big Pete Pearson. This tune by the octogenarian vocalist, also known as “Arizona’s King of the Blues,” appears in Episode 1422: “Fight For Your Mind.” Don’t miss “Grey’s Anatomy” May 3rd, and experience the power of Big Pete Pearson on his Fervor Records release “Steppin’ Out” available across Apple, Amazon