Ahmir "Questlove" Thompson still remembers the first time he heard The Sugarhill Gang's 1980 hit "Rapper's Delight." It felt like a paradigm shift: "Suddenly they start talking in rhythmic poetry and we didn't know what to make of it," The Roots bandleader says. Questlove's new book is Hip-Hop is History. The Always Sunny in Philadelphia co-creator and co-star Rob McElhenney bought a Welsh football club during the pa…
