Some of the most memorable moments at any given TED come from the hand-picked performers, who often make us feel we’ve unearthed a rare gem. We had that rush of discovery all over again when we learned three powerful chanteuses of TEDs past will appear next week at New York’s Joe’s Pub. On Monday, Susheela Raman (center), whose hypnotic voice and Indian-infused sound astounded at TEDGlobal; on Thursday, Rachelle Garniez (right) whose accordian-based, retro-jazz story songs drew us in at TED2004; and with shows Wednesday and Thursday, Jill Sobule (left), the irresistible belle of the ball at several TEDs running. Perhaps we’ll see you there …