Wow didn’t expect to see Akala already posted here.
This is the correct answer although I think Fire in the Booth Part 4 might even eclipse Part 1 in terms of talent.
Second place for me would be Lowkey. For message Soundtrack to the Struggle 2, for pure ability has to be The Return of Lowkey… Genius bars like a laptop shop.
I thought “cakewalk” was a clever American amalgamation of “a piece of cake” and “a walk in the park”.
Turns out it’s actually related to slavery, so probably doesn’t count.