"They had begun to sing together at home, with LaVerne teaching her younger siblings the 'hot' songs of the day, like the BoswellSisters rendition of 'Dinah' and 'When I Take My Sugar to Tea, ' " the biography said.
Among the collection's thousands of metal and lacquer discs and master mono tapes are released and unreleased versions of recordings by such seminal artists as Louis Armstrong, Bing Crosby, Tommy Dorsey, Billie Holiday, the Andrews Sisters, Connee Boswell, Jimmy Dorsey, the Mills Brothers, Guy Lombardo, Ella Fitzgerald, Fred Waring, Judy Garland, and Dinah Washington, among others.