In the Land of Hi-Fi is a 1955 studio album by the American jazz singer Sarah Vaughan. It was recorded October 25–27, 1955, in New York City. Alternate takes from these sessions, featuring a young Cannonball Adderley, were compiled on The Complete Sarah Vaughan On Mercury, Vol. 1 - Great Jazz Years 1954-1956.

Track listing "Over the Rainbow" (Harold Arlen, E.Y. "Yip" Harburg) – 3:30 "Soon" (George Gershwin, Ira Gershwin) – 2:37 "Cherokee" (Ray Noble) – 2:32 "I'll Never Smile Again" (Ruth Lowe) – 2:35 "Don't Be on the Outside" (George Kelly, Mayme Watts, Sidney Wyche) – 3:01 "How High the Moon" (Morgan Lewis, Nancy Hamilton) – 2:36 "It Shouldn't Happen to a Dream" (Duke Ellington, Don George, Johnny Hodges) – 3:20 "Sometimes I'm Happy" (Vincent Youmans, Irving Caesar) – 2:57 "Maybe" (G. Gershwin, I. Gershwin) – 2:34 "An Occasional Man" (Ralph Blane, Hugh Martin) – 2:33 "Why Can't I?" (Richard Rodgers, Lorenz Hart) – 2:54 "Oh My" (Joe Greene) – 2:21

Personnel Sarah Vaughan – vocals

The Ernie Wilkins orchestra Ernie Royal, Bernie Glow – trumpet Kai Winding, J. J. Johnson – trombones Cannonball Adderley, Sam Marowitz – alto saxophone Jerome Richardson – flute, tenor saxophone Jimmy Jones – piano Turk Van Lake – guitar Joe Benjamin – double bass Roy Haynes – drums Ernie Wilkins – arranger, conductor

Production Dennis Drake – remixing, remastering Ellie Hughes, Tom Hughes – artwork, design Seth Rothstein, Richard Seidel – preparation Bob Shad – producer

References