"Numb/Encore" is a song by American rapper Jay-Z and rock band Linkin Park from their album Collision Course (2004). It was released as a single on December 13, 2004, by Warner Bros. and Roc-A-Fella Records. The song combines lyrics from Linkin Park's 2003 single "Numb" and "Encore" by Jay-Z.The track is not an original but was the only single released from the album and went on to achieve success, reaching number 20 on the Billboard Hot 100.