If you’re a fan of the A$AP Ferg then you may already recognize the name Crystal Caines. The young, female Harlem emcee is also a producer who’s credited for crafting many of the sounds on Fergenstein’s debut album Trap Lord. Today, she brings us her latest single titled “Whiteline” featuring Ferg himself. The track is fire, from start to finish. From the production to their respective verses, this single will definitely stay on replay over here. Check out the dope video above and look out for her upcoming EP Vertigo.