The 1950's, and the years surrounding, was the decade for science videos. Particularly, informative science videos on sound and "stereophonic recordings" - the future!

Video footage:
Alaska Highway (1949) (creative commons)
National Archives and Records Administration

How to Listen To... New Dimensions in Sound (1957) (creative commons)
RCA Victor Corporation

Credits:
Guitar, radio, feedback, sound design: Grant Harold
Drums: Roy Shryne
Music by Grant Harold (radarflora.com)

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