The Low End Theory - A Tribe Called Quest
 

Throughout the album they repeat the word 'abstract' a bunch of times and I never quite grasped what it meant, so many y'all can help me out.

Does it have something to do with hip hop artists in general?
"The abstract poet prominent like Shakespeare" - Excursions

Haha, it's simply an alias of Q-Tip. ;)

http://www.rap4ever.net/avatar/q-tip.jpg

How many Tribe albums have you listened to?

Whichever one Check the Rhime's on is my favourite.