Schott Music The Doflein Method Vol. 3 Book helps to learn and express your musical ideas. Quality addition to any music learning collection. Helps to build a strong foundation for more advanced music studies. Excellent gift for musical instrument learners. The Doflein Method, subtitled The Violinist's Progress, is a complete and progressive violin method combined with musical theory and practice in duet playing. Volume 3: The Second and Third Positions addresses the demands of shifting into the second and third positions by way of short pieces and exercises, as well as introducing trills, harmonics, further reinforcement of minor keys and half position.