Jam Tracks 4 (Rock) Guitar Play-Along Arrangements for Improvisation With Tips and Tricks for Beginners Jam Tracks 4 (Rock) Guitar consists of 25 instrumental play-along arrangements for improvisation with an electric guitar. Included for each track are the chart with the chord symbols, the roman numeral analysis as well as recommendations in terms of note choices and scale options. With regards to the used tonalities, the tracks fall within the categories of functional harmony (major/minor keys), blues, and modal harmony. Stylistically, they cover genres such as rock, pop, blues, hard rock, soul, country rock, and fusion.