The science-fiction visionary Octavia Butler once declared that “there is nothing new under the sun, but there are new suns.” The aphorism could apply to any art form where the basic contours are fixed, but the appetite for innovation remains infinite. Enter Clipping, flash fiction genre masters in a hip-hop world firmly rooted in memoir. If first person confessionals historically reign, the mid-city Los Angeles trio of rapper Daveed Diggs and producers William Hutson and Jonathan Sni...