The Marr Sound Archives is an audiovisual archive, a part of the University of Missouri-Kansas City Miller Nichols Library.

[1] The collection includes extensive holdings of jazz, blues, country and popular music; historic voices and authors reading their own works; vintage radio programs; classical and opera.

The Marr holds a wide range of historic formats including LPs, 78s, 45s, cylinders, transcription discs, instantaneous-cut discs and open-reel tapes.

The archives maintain sound recordings for a number of archival for collections shared with LaBudde Special Collections.

[1][2] The archives were created from a donation of 42,000 items by Olga and Gaylor Marr in 1987.