GREY D, tlinh is a Vietnamese hip-hop and rap duo associated with the contemporary Vietnamese urban music scene. Emerging in the late 2010s and early 2020s, they are part of a wave of younger artists blending trap, hip-hop, and pop elements, often featuring melodic delivery, rhythmic beats, and production that incorporates both electronic and traditional influences. Their music typically centers on concise, hook-driven tracks aimed at digital streaming and youth audiences, reflecting the DIY and internet-oriented approach common among new-generation Vietnamese rappers. They are recognized within Vietnam's mainstream and independent rap circuits.