fastness 发表于 2025-3-25 06:03:33
http://reply.papertrans.cn/24/2396/239571/239571_21.png虚情假意 发表于 2025-3-25 08:29:32
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http://reply.papertrans.cn/24/2396/239571/239571_24.png陶瓷 发表于 2025-3-25 23:59:28
New Technology and the Emergence of Jazz,time period, the phonographic industry experienced a steady sales decline between 1921 and 1925. From 1925 to 1929, sales boomed for a last time before the market crash of 1929 initiated a drastic decline that reached its lowest point in 1933 with only $6 million in sales.Overstate 发表于 2025-3-26 03:40:45
http://reply.papertrans.cn/24/2396/239571/239571_26.pngObstreperous 发表于 2025-3-26 08:19:48
The Digital Music Revolution, increase of 6%, which was followed by a more significant increase of 15% in the following year. Sales remained more or less constant at this level for the next 2 years. In 1987, however, another jump in sales occurred (+20%). Subsequent years witnessed additional increases of 12% (1988), 3% (1989), and 17% (1990).Melanocytes 发表于 2025-3-26 10:45:13
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The Music Industry Boom Until 1920,es expanded their business activities into the most remote regions of the world. For instance, in 1910 a sound engineer of the British Gramophone Company gave an account of a recording tour through the Caucasus where he recorded the folk songs of the native Cossacks onto record (Noble 1913, cited in