★IF Music

'When he performed in Germany, they called him the "black devil violinist," his frenetic playing wrapped in a gyrating, trance-like state. For Billy Bang, who believed he had schizophrenia, the epithet bore a resemblance to his inner turmoil. He was born William Walker in Mobile, Alabama but grew up in the South Bronx. He studied violin and classical music, and his talent earned him a hardship scholarship to the Stockbridge School in Stockbridge, Massachusetts. Bang felt out of place in the pred…