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We hope this will become the home to high quality chord transcriptions. Please look for data on the data page.

In the field of music computing, many methods aim at automatically extracting musical information such as beat times, chords, and keys from raw audio data. Publishing the automatically extracted data can be useful in several ways: researchers working on similar methods can compare their results with those published; non-specialist observers can examine the state of the art; the published data can be used as input for new research methods (e.g. for music classification).