Last May, South Africa’s Gravy Crew dropped a masterpiece of a free compilation, and this month they’re back at it. While South Africa’s getting turnt via the Mad Decent Block Party and the Ultra Music Festival in recent weeks, their bass music underground is alive and well. Gets like Sibot, Mr. Sakitumi, RVWR, and other producers linked up for 11 tracks of heat. Most of the sounds are drenched in a hip-hop flavor, but this instrumental trek features enough electronic beauty to warrant your ears. Don’t sleep.