London-based DJ/producer and co-owner (with tunestress Ikonika) of the Hum + Buzz label, the Bubblin’-featured Optimum will soon release his imprint’s second record, a 12″ featuring two hottly tipped productions. The double a-side slab of vinyl will feature the tunes “Light Year” and “DS10,” and will be available in both physical and digital formats on March 7. You can check out the artwork for Optimum’s new record and preview the tracks below.