Rappers, singers and songwriters like Cameron Forbes, DAX, DC Young Fly, Jade Novah, Q Parker, Samoht, Ludacris, Tobi Lou, Eric Bellinger, Isaac Hayes III, Gunna, Brandy, 5th/Ward Weebie, DJ Montay, Kia Shine, Bobby Valentino, Vashawn Mitchell, Sean Garrett and NLE Choppa share their insights on The Key To Writing...