Claim: Nas is a concert pianist.
Evidence: Nasir Bin Olu Dara Jones -LRB- -LSB- nɑːˈsɪər -RSB- born September 14 , 1973 -RRB- , better known by his stage name Nas -LSB- ˈnɑːz -RSB- , is an American rapper , record producer , actor , and entrepreneur.