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Improvement
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Resolution: Unresolved
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Normal
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None
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None
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None
the methods regarding a physical package and what's different between them doesn't apply to digital releases. We need to define what makes an unique digital release, considering the following factors:
tracklisting (okay this one's obvious..still a factor to consider)
bit rate
file type
"mastering"
label
catalog#
UPC/EAN
cover art
download site