20 best rap albums by artists over 40

Artists do not make their best albums by the age of 27, Medium proves with a list of 20 best rap albums by artists over 40. There's the concept album 'Undun' by The Roots, released the same yeat both Questlove and Black Thought turned 40. It took years for Jay Electronica to release 'A Written Testimony' this year (he's 43), but, as it turns out, it will end up being one the best mainstream hip-hop album of the year...