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B. N. Veprintsev Begins Releasing Voices of Birds in Nature Series
Uher Releases Portable Report 4000
Jim Fassett Creates Symphony of the Birds
S. Wahlström Makes Earliest Stereo Recordings of Birds
Jean-Claude Roché Releases Oiseaux-En-Camargue 10”
Stefan Kudelski Introduces Nagra III Battery-Operated Recorder
Folkways Releases Sounds of North American Frogs
"Cook Labs” Releases V-Groove Stereo Recordings
Westrex Develops Phonograph Cartridges that Play Two Grooves as Separate Tracks
William W. H. Gunn Releases A Day in Algonquin Park
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