US  rapper Nas  was joined by Jay-Z  and a server of other hip-hop stars at the Rock  the Bells  festival on Sunday  (August  3rd).
The  event at Jones  Beach  on Long  Island,  New  York  besides featured surprise appearances from Busta  Rhymes,  Pharoahe  Monch  and EMPD.
Jay-Z,  who late ended his European  tour with a host of dates in the UK,  received a huge ovation when he joined Nas  on the tracks 'Black  Republican'  and 'Success',  which features on Jay-Z's  2007 album 'American  Gangster.
Meanwhile,  Rhymes  joined headliners A  Tribe  Called  Quest  on a rendition of 'Scenario',  in front performing his own short set which included 'Put  Your  Hands  Where  My  Eyes  Can  See'.
You  can see a selection highlights from the festival, which will call in California  on Saturday  (August  9th), on Gigwise  below.
Alternatively,  CLICK  HERE  for extensive pictures from the Long  Island  event. 
Rock the Bells
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