(Fast Track Music Instruction). This fast way to find just the chord or scale you need is the perfection companion to the Fast Track ukulele mehod book. No instruction book can teach you every chord you need to know. That's why we created this user-friendly reference book, jam-packed with over 1,500 ukulele chords and voicings. With this book, you'll learn how to build 8 moveable scales and 7 modes for any key. The last section is a jam session with 20 different chord progressions found in a variety of today's music: rock, pop, jazz, country, blues, R&B and more.