eHow launches Android app: Get the best of eHow on the go.
Summary: Learn how to play a D-G-A7-D dominant 7th (dom7) chord progression on the guitar in this free music lesson on video.
Casey Cormier has been playing both the guitar and bass for 10 years, performing in rock and roll clubs along the New Jersey Coast as well as in New York City. He studied jazz at the...read more
"O.k now let's see the A7 in action and a 1,4,5,7 progression. So as we learned before if we're in the key of D Major, D will be our 1 chord. G Major will be our 4 chord. A7 now will be our 5 chord. Back to D. You recall the 1, D the 4 and the regular 5. Then you have the option of going back to the 4. It doesn't really work so well when you have the 5-7. I mean it does work. You will hear it in popular Rock and Roll songs but this A7 really wants to conclude the song no matter what on a D Major. So try to perfect that progression."
eHow Article: How to Play D-G-A7-D Chord Progression