“Just be sure you spell my uncle’s name right,” my wife Linda admonished me.”It’s ‘Ervin’ with a ‘V’, not ‘Erwin.’ ” Of course I would. After all, Uncle Ervin — with a V —was the composer of “The ...

Written in 1938 by vaudeville fiddler Ervin T. Rouse, “The Orange Blossom Special” has become a bluegrass standard; in this video documentary Bestor Cram explores the song’s history and appeal, ...