World Domination is of course a classic. You say the music doesn't stand the test of time but yet rattle off songs with ease. 3:6 music had an impact on Southern music as a whole and affected an entire region.
People think classic albums have to be perfect lyrical and their wrong. A classic album consists of a great blend of beatsand lyrics. Hip Hop is the only culture that criticize their artist for not being over lyrical.
To end, I will educate you on the different types of classics. You have your lyrical masterpiece, your production masterpiece, and your riding music masterpiece. People think music has to stick under one category which make music stagnate and stale. World domination music was needed in a time of stale New York music.