By day, he's a devoted orthopedic surgeon in the operating room; by night, he transforms into a rock musician lighting up the Livehouse stage. Meet Ma Haoning—an attending physician by profession, and also the keyboardist and accordionist of the Chinese indie rock band Penicillin. He skillfully masters both the precision of the scalpel and the passion of musical notes. How does he maintain this dual identity, switching seamlessly between medical duty and artistic pursuit? In this interview, we s