Back in 1973, a young man named Mordechai Werdyger slipped on to the Jewish music scene with a little-known album called Original Chassidic Melodies. While that early album never took off, listeners sat up when they heard Mordechai Ben David’s next album, Hineni, the following year. The magic of his new-old musical style and the sheer power of his voice soon won a place right at the heart of the frum soundtrack.