called pulmonary hypertension. it cares blood from the heart to the lung.ve years she was able to manage it with medication but eventually her lungs became too weak. >> i was in the hospital. i still didn't think i needed the transplant until one night my doctor came in and he said, charity, you can't wait anymore. you're going to die if you don't get a transplant now. >> she was in the hospital, in recovery, and eventually made it back to the stage, sharing her voice with the world at lincoln center. ♪ >> i went on the stage and i sank, and it was everything that i malked. >> but the euphoria didn't last. >> i started to reject my lungs just a little less than two years ago. >> her doctors said finding a second lung donor would be even harder. fortunately charity got that second chance. >> i knew that there was no way that i got those lungs if they weren't going to make music that and music they made. charity is able to sing again. and on this day she's performin. it's her doctors and fellow transplant patients at the cleveland clinic. >> it's just such a