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| | A Guide to the Progressive Rock Genres |
 | | Identifiable throughout are the similarities in structural experimentation, instrumental experimentation (tone and timbre), and the incorporation of musics heretofore alien to the fields of rock. |
 | | The outfits of the original RIO list were forward-thinking ensembles influenced by 20th century avant garde, jazz, folk and other music and were concerned with stretching the boundaries of the rock form in both compositional and, occasionally, improvisational settings. |
 | | New Age - The resurgence of electronic music in the 80s was partly due to its inclusion in the vastly expansionist, catch-all genre of new age (or, later, contemporary instrumental), not to mention the retroactive classification of 70s music under the same moniker. |
| www.gepr.net /genre2.html (10533 words) |
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