July 31, 2015 by BOB BOILEN
When I first saw Shamir at NPR Music’s SXSW showcase, the 20-year-old singer popped on stage with a Yo Gabba Gabba T-shirt and proceeded to light up the night with his disco-infused funk and joyful energy.
Cut to this Tiny Desk Concert. Shamir Bailey is sitting alone on a stool with an acoustic guitar — hardly recognizable except perhaps for the green painted fingernails, until he began to sing. At that point, he put his fragile but confident countertenor to work in “Darker,“ fr