What a music that must be, music always played when Henry Maske entered the boxing ring, music played at Michael Jackson's stage shows, music still used for charity events and commercials? Understood and tolerated as a work of coded subversive character at the time of creation, misunderstood and met with hostility as musical evidence of the composer's concurring beliefs seventy years later – nothing can prove the topicality of this seemingly ahistorical piece better than the unique phenomenon of...