Big Boi has shared a rare video of himself rehearsing and performing while in high school aged 16.You can see the video below, which first sees Big Boi, aka Antwan Patton introduced as ‘Outkast’ and rehearsing with friends at Tri-Cities High School in Atlanta, Georgia.The footage then shows a snippet of a proper performance by the young rapper and two other students in front of DIY staging.A post shared by Big Boi (@bigboi)It was around this time at high school that Patton first met his Outkast