Berklee Press. Now available in a bookCD pack The William Leavitt guitar method, used as the basic text for the Berklee College of Music guitar program, has stood the test of time and earned a vast and loyal following of guitar students and instructors. After mastering the basics from Volume 1, this intermediate-level book continues and builds upon the study of melody, scales, arpeggios and chords, covering the entire fingerboard. This volume also addresses intervals, chord voicings, improvisation, rhythm-guitar techniques, play-along duets and more.