He's since gone on to be crowned world beat boxing champ and has collaborated with everyone from Bjork to Anna Meredith, Jarvis Cocker to Ed Sheeran.
Below you can check out the final instalment from our live session with him - an incredible version of his track Drop.
The series was filmed at last month's M magazine showcase at Getty Images Gallery.
The gig closed a week of celebrations PRS for Music hosted at the venue to celebrate its centenary.
Watch part one here