Speed Building Workout 21ExercisesFig. 1Fig. 2Fig. 3Fig. 4Fig. 5Related posts:Speed Building Workout 14Two-Finger Drills 60 bpmTechnique Exercises #4Exercise Routine #10 @ 72 bpmSee also 1st Position Major Scales at 138 bpmSpeed Building Workout 21ExercisesFig. 1Fig. 2Fig. 3Fig. 4Fig. 5Related posts:Speed Building Workout 14Two-Finger Drills 60 bpmTechnique Exercises #4Exercise Routine #10 @ 72 bpmSee also Technique Exercises #11