| General Priority Description |
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| Priority 1: | This designation indicates an extensive or primary interest in pure experimental music. |
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| Priority 2: | This designation indicates a regular interest in fringe indie rock, avante- jazz, 20th Century classical and /or irregular interest in pure experimental music. | |
| Priority 3: | This designation indicates some interest in "off shoots" of experimental music and occasional to rare interest in experimental music. | |
| Priority 4: | This designation indicates an entry where we have little or no information, or which are long shots. | |