(Essential Elements). Level 4 of Hal Leonard's Essential Elements for Strings series 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!