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Hi! My name is John Armstrong with expertvillage.com. I am a professional guitar instructor and today we will be discussing intermediate jazz guitar. Okay, In the Thrill is Gone, you heard me mention a secondary dominant chord. What I would like to do next is discuss what secondary dominant chords are. Dominant chord being a dominant 7 chord in our case here so far. We are going to discuss 9, 11 and 13's later, and the same rules will apply to those. But a secondary dominant chord is the 5, 7 chord of any chord in the key other than the tonic chord. So for example, I have the key of A major, and my 5 chord in the A major is E7, so that is the 5 of 1. But my 2 chord, my B minor, what is the 5 of that. It is F sharp. So if an F sharp 7 chord appeared in the midst of a chord progression in the key of A major—I'll also use that 5, 7 chord. It would be considered the 5 of 2. The 5th chord of the key of B minor, which happens to be my 2 chord in the key of A major. So the 5 of 2. We'll typically resolve to 2 to whatever it is the 5 of. Not always but typically. For example moving to my 3rd chord, my C sharp; my 5 chord of that is going to be a G sharp 7. So if I had the key of A major to the 5 of 2, to 2, to the 5 of 3, then the 3 to the 5 of 3, then 3 back to 1. So coming up I will have some examples of other songs that you use secondary dominant chords in them.

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