Pressure Lyrics

Lyric discussion by phillipe_espanzo 

Cover art for Pressure lyrics by Lupe Fiasco

Two lines after the "Prince pants" lyric is "big (Biggie) in the waist, two-pocket (Tupac) on the back". Could be talking about influences. Also the line "soul's not for sale like the W's" has me curious if he's talking about Bush but seems worded oddly for that.
I'm also pretty sure that Jay-Z's lyric at the end is Warhols not war halls the first time, as in Andy Warhol the painter, since he goes on to say "space on your hall's walls".