Anyone have better sites than torvund.net for chord progressions. And especially What's going on when a song starts on , say, the IV chord, please?

I am assuming that you are asking about this concerning the guitar. Correct? If you click on the following search, you will find quite a few sites where you will find information. Guitar Chord Progressions - Google Search (http://www.google.com/search?hl=en&safe=off&q=Guitar+Chord+Progressions)