Group HarmonyIn 1948, the Orioles, a Baltimore based vocal group, recorded "It's Too Soon to Know." Combining the sound of Tin Pan Alley with gospel and blues sensibilities, the Orioles saw their first hit reach #13 on the pop charts, thus introducing the nation to vocal rhythm & blues and paving the way for the most successful groups of the 1950s. In the first scholarly treatment of this influential musical genre, Stuart Goosman chronicles the Orioles' story and