Probably not, even though that's what was used to create this dataset! If you take a track ID and request it from The Echo Nest API, the info might not exactly match this dataset. Some fields are bound to change over time, such as artist familiarity and song hotttnesss. Some should be stable, like song title and artist name, but there is no guarantee. The analysis of the audio should also remain the same, but The Echo Nest updates their analyzer once in a while (to implement a better beat tracking or segmenter for instance).
Remember that the dataset was created / downloaded between December 18 and December 31 2010.
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