Watch the Week 5: Song Analysis: 8 Bar Blues/R'n'B Form: "Georgia On My Mind" (Verse) online guitar lesson by Rob Garland from Songwriting For The Guitar
Let's go over the way chord progressions are put together. Essentially an 8 bar form with secondary dominants setting up resolutions to V chords from within the key of the song. These types of progressions appear in different genres of music such as dixieland jazz, blues, and R&B.
Next, let's look at the verse of "Georgia On My Mind". See PDF for the chords of the song.