This gospel duo made history in the mid-'20s with two beautiful recordings, "Befo' This Time Another You" and "When the Train Comes Along"; the latter song in particular developed into a gospel standard programmed by a wide variety of ensembles. Odette and Ethel, nonetheless, do not seem particularly well-remembered in the recording industry; many listeners might think this was a special one-time only collaboration between the famous folk singer -- who's actually Odetta, not Odette -- and Broadway belter Ethel Merman. That sounds like a good idea, as did the combination of Sis...