By Jhoni Jackson from the SonicBids Blog. Once upon a time, it was pretty uncommon to preview tracks before committing your cash to the whole shebang. Particularly in the heyday of CDs, your best bet was a store’s listening station, and it was typically limited to whatever discs were already loaded, and it always seemed to be occupied anyway. Preexisting knowledge of an artist was usually reliable but, without that, you were kind of shopping blindly – save for the album artwork. For people who remember browsing aimlessly hoping to discover a new favorite group, this happened often: The coolness...

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