What is your favorite Hip Hop(Pop)Rap album of all time, and why?

[okr]

Hope it's okay if I post my Top 5:

1. Public Enemy: It Takes a Nation of Millions to Hold Us Back
2. A Tribe Called Quest: People's Instinctive Travels and the Paths of Rhythm
3. Eric B. & Rakim: Follow the Leader
4. The Roots: The Tipping Point
5. De La Soul: 3 Feet High and Rising