String teaching material by the world's favourite string teacher Sheila Nelson. Technitunes introduce quite advanced aspects of technique, such as high positions, harmonics, rapid bowings and double stops at an early stage, in the form of attractive pieces. All pieces may be performed by a single instrument with piano, or in various combinations of strings, with or without accompaniment.The edition is part of the Trinity syllabus 2007 (grade 3 & 4).