Riffstation creates software that gives you the chords for any song and offers a variety of related features to help you learn to play. Now they've launched a web app, Riffstation Plus, focused on the single feature of identifying chords in songs on YouTube. It's not perfect yet, as one can see in blog comments, but they seem to be listening and are soon introducing a feature that allows user edits for more accurate chord display that also opens up some interesting social possibilities. Riffstation's software app does have an impressive range of features with an emphasis on the needs...

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