Swissbeatbox on youtube - 2 years ago UNITEAM vs MIDDLE SCHOOL | Grand Beatbox Battle 2019 | Tag Team Final 75LIKE COMMENT SHARE Share this UNITEAM vs MIDDLE SCHOOL at the Grand Beatbox TAGTEAM Battle 2019. Thanks Alem & Alexinho beatbox & Supernova & FootboxG beatbox for this GBB19 beatbox battle in the final.