Prodigy and Havoc first begin laying down rhymes together in high school. When their first album flops, they come up with a new sound that's directly influenced by P's sickle cell, and it helps defines a generation of hip hop. Plus: Big Twins talks about the sickle cell attack he’ll never forget. The Realness by Only Human is produced by WNYC Studios, a listener-supported producer of leading podcasts including Radiolab, Snap Judgment, Death, Sex & Money, Nancy and On the Media.