Book excerpt: Leonardo Garcia's Mastering Tremolo is an extensive guide for all aspiring guitarists wishing to develop solid tremolo technique. From a multitude of preliminary technical exercises and drills to develop a foundation for your tremolo and invigorate your technique, to more than a dozen active practice techniques detailed with musical examples to develop rhythmic precision, note consistency, tone, and speed, to the mental game of playing tremolo, this book will help improve your playing regardless of your level.