Before Ziegfield launched his Follies, before the Shubert brothers built their empire, Lew Fields' productions were the toast of Broadway. For the "smart set" in silk hats and evening gowns in the luxury box seats, and the shopkeepers and clerks in the gallery, an evening at the Weber & Fields Music Hall was the hottest ticket in town. The five year old named Moses Schoenfeld who crossed the Atlantic in steerage with his family in 1872 had grown up...