Indie 500If his 2013 album Gravitas felt like a return to form that was crafted for established fans, Indie 500 is a more welcoming yet still weighty return for Talib Kweli, and one that deserves the "collaborative album" tag as all production comes from supreme beatmaker 9th Wonder. The underground producer earns his top billing with a cohesive set of beats that contrast sharp bass with high flying soul up top, some of it looped and chopped together into