National Recording Preservation Plan aims to protect America's audio history - The Washington Post
Absolute Music Community – Origins of Sound
History of Audio Technology - FULL LESSON by The Music Espionage
History of Sound in Film - FULL LESSONS Timeline design, Interactive lessons, Lesson
History of the Cassette Tape – Legacybox
The History of Recording Sound/Music (Timeline) - Artloft Media
AudioMastery
Recording Technology History
Audio Recording: History
A Brief History of Recording to ca. 1950
THE EVOLUTION OF AUDIO RECORDING (Remember this?) Jazz History #1