J. Cole is a hip hop record producer.
Jermaine Lamarr Cole ( born January 28 , 1985 ) , better known by his stage name J. Cole , is an American hip hop recording artist and record producer . Self-taught on piano , Cole also acts as a producer alongside his hip hop career , producing singles for artists such as Kendrick Lamar and Janet Jackson , as well as handling the majority of the production in his own projects .