VIDEO: Benedict Cumberbatch Joins David Gilmour On Stage, Sings 'Comfortably Numb' Springfield, IL, USA / 97.7 QLZ - Anything That Rocks! Kyle Hutchinson September 29, 2016 11:18 pm Dr. Strange himself jumped on stage to perform the Pink Floyd classic with David Gilmour. It happened Wednesday night at Royal Albert Hall in London, England. To be honest, it’s not half bad.