Diana Ross closed the Glastonbury festival by saying farewell to the Covid pandemic. The Supremes singer, 78, also told thousands of fans gathered at the Pyramid Stage she was “filled with thankfulness for each of you” as she played a set filled with her hits on Sunday evening. (26.06.22) Referring to the global Covid lockdowns and her latest album, she said: “During these last three years, I’m going to call it a vacation, it gave me a chance to really think about the important things in life because I couldn’t go on the road, and the album is called ‘Thank You’. “I want you to know how gratef…