Watch the Step 2: Rhythmic Variation online guitar lesson by Frank Vignola from 1-2-3 Jazz Guitar
Step 2. is to add rhythmic variation to the melody. This is a simple concept of changing the length of the notes that make up the melody, playing the note twice instead of once, or playing on the upbeat rather than the downbeat. Experiment by playing some notes of the melody longer and some shorter. In this segment I give you a brief demonstration using Georgia on My Mind.