VideosYung Lean & Thaiboy Digital ‘Diamonds’ VideoProdizzle·March 2, 2015·Share Watch Yung Lean & Thaiboy Digital ‘Diamonds’ Video. Yung Lean is an 18-year-old Swedish rapper who is among the pioneers of the “sad rap” movement (I’m not sure what that is/means). He links up with Thairboy Digital for Diamonds.