Check the listing for details. Complete Guitar By Ear: 2 CD Relative Pitch Ear Training Course. Condition: Brand New. Listed at 74.99 USD. This 2 CD relative pitch ear training course is perfect for any guitar enthusiast. With a focus on music theory and instrumentation, this course is an excellent resource for those looking to improve their playing skills. The course covers a range of topics, including instrument selection, chord progressions, fingerpicking techniques, and more. Whether you are a beginner or an experienced musician, this course is an excellent way to refine your skills and take your playing to the next level. The course is designed to be interactive and engaging, with plenty of opportunities for students to practice and apply what they have learned. So why wait? Start improving your guitar skills today with this comprehensive ear training course!