Thank you for your answers, Cashier.
Emeritus, Thank you for answering. The ditloid is "1 D by D. 1 dance by Drake, Wizkid and Kyla was in a different quiz --The Holly Bough Diffney Quiz.
Mallyh, thank you for answering-- no theme, just all ditloids,
(20) 5 E in the P = 5 Events in the Pentathlon. How would this help with "H is A 20/20, which gangesboy has correctly answered as "Hindsight is always 20/20"?
Thank you gangesboy for the answer-- I don't think that I'd ever have solved it.