Post and photo by DCist Contributor Mehan Jayasuriya “It’s just not fair,” my friend said to me as we stood and watched multi-instrumentalist Andrew Bird perform at this year’s South by Southwest conference in Austin. “How can one guy be so talented?” Admittedly, it does seem a bit unfair: Bird holds a degree in violin performance, is an accomplished guitarist, knows a thing or two about the glockenspiel, has a soaring voice that often recalls…