The duo known as Dec 99th, which consists of Yasiin Bey FKA Mos Def, along with journalist, artist, and producer Ferrari Sheppardperformed the tracks "Seaside Panic Room" and "N.A.W." on The Tonight Show. The duo dropped their self titled debut project earlier this week via TIDAL. Stream it below. Earlier in the night Yasiin Bey performed for the second night in a row at the historic Apollo Theater in Harlem, New York City. Bey ran through cuts from his 2009 album The Ecstatic and went all the way back to his 1999 classic Black on Both Sides. Bey even brought out special guest Pharoahe Monchto perform “Oh No” and “Simon Says.” The historic show was live streamed on TIDAL. Read our recap of night one by heading here. Watch Dec 99th perform on The Tonight Show Starring Jimmy Fallon below and scroll down to peep Yasiin Bey's final tour dates.