What are Chords? in on September 7, 2017 Play Pause Unmute Mute Back to: Music Theory Comprehensive: Part 2 – Chords, Scales, & Keys Previous Lesson Worksheet No. 3 Here is your third practice worksheet. Please download it and use it to practice. The answers are on the last page. Next Lesson Song Analysis Looking at a familiar song can help us to understand chords and harmony a little better.