- The name comes from the crackling sound it makes when being smoked. Extremely addictive, largely due to the sudden sense of euphoria derived from the rapid uptake of the drug into the bloodstream through the lungs.
The word "crack" is a metaphor for something that you can't live without. If your hat is stylish enough, or that TV show is funny enough, someone just may call it "crack." If music is so exceptional that listeners keep pressing the rewind button after every song, then it's crack.
When someone is talking about crack with music it stands for Creative Rap And Creative Knowledge