Just Blaze, born Justin Smith, is an American hip hop producer who rose to prominence in the early 2000s through work with Jay-Z and Roc-A-Fella Records, including albums like The Blueprint. Like other top producers of that era, he used a vocal tag so listeners could identify his work instantly before streaming credits were common. As producer culture grew online, short tags were clipped and shared as standalone sounds. His name drop stayed popular because it signals a big, polished beat, even when it is used ironically over unrelated footage.