Advanced Technique for Strings (Essential Elements series) Authors: Michael Allen, Robert Gillespie, Pamela Tellejohn Hayes Level 4 of Hal Leonard’sEssential Elements for Stringsseries is perfect for your advanced-level students. Each book includes: A detailed practice routine for scales Three-octave major and minor scales and arpeggios A systematic fingering system for scales Extensive shifting exercises for advanced positions Shifting reinforcement in a musical context using unison orchestra excerpts Advanced technical development Sequenced rhythmic and bowing studies and much more!