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In 1877 Thomas Edison created the Phonograph
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in 1888 emil berliner invented the flat disc record called a "gramophone record"
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Publication of the first list of Berliner Gramophone records for sale begins the first recorded sound format battle
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Edison and Columbia begin offering spring-motor phonographs at affordable prices, allowing the phonograph to become a household object
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Enrico Caruso's first American recordings are released by Victor.Among them, "Vesti la giubba" from Pagliacci is emblematic of Caruso's arrival as the first superstar of the recording industry.
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Electrical recording is successfully implemented and introduced by both Columbia and Victor Records. Recordings now encompass a much wider tonal range.
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ecorded transcriptions for radio programs are introduced as a result of the rise of syndicated programs.
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The Walt Disney animated feature "Fantasia" presents first commercial appearance of a four-track recording derived from eight recording channels.
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Ampex Corporation introduces high-quality tape recorders and recording tape, and effectively revolutionizes the recording and broadcast industries
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The first commercial stereo long play recordings are issued on the Audio Fidelity label.
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Sony introduces the Walkman, a palm-sized stereo cassette tape player, making it easy for listeners to be walk about-this-program,
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A U.S. Patent is issued to for the MP3, a high-quality, low bit-rate audio format that has become the most commonly used audio medium.
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iTunes is developed and introduced by Apple Inc. in 2000. Both a media player and library, iTunes allows users to purchase downloads of music, organize, and store the files in numerous ways
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October of 2001 Apple introduces the iPod, a portable player designed to store recorded selections downloaded from the "iTunes Digital Jukebox," which appeared in January of that year.
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Retail giant Tower Records files for bankruptcy and liquidation, bringing a significant, seemingly long-term change to the marketing of sound recordings.
