Liquid Blue Grateful Dead Let It Grow Tie Die T-Shirt Tee. This Grateful Dead T-shirt features some outstanding artwork set against a vibrant Tie Die. The song Let it Grow first appeared on vinyl on 1973 Grateful Dead Merchandise, Grateful Dead Shirts, Tie Dye T Shirts, Tee Shirts, Women's Tees, Nerd Merch, Green Tie, Blue Green, Yellow