Things Fall Apart by The Roots for me.
Personal favourite(s) have all been mentioned already, but shout out this gem because it was one of the first I fell in love with:
Welcome to my dream - MC 900 ft Jesus
Yeah, lads never did a better Hip-Hop record than No Chat.
Glad we agree.
There's something inherently unworkable about a 'greatest of all time...' thread with no chat.
Group first; album second.
36 chambers, but my all time favourite is probably RAP Music by Killer Mike
actually, no, fuck that. it's probably Atrocity Exhibition by Danny Brown
52 replies and no
De La Soul - Three Feet High and Rising