| 作曲者 | Helen Callus |
| タイトル | One-Step Scale System System for Viola |
| サブタイトル | 10 Exercises to a Better Left Hand |
| 出版社 | Carl Fischer Music（カール・フィッシャー） |
| 楽器編成 | viola |
| 品番 | CFK-12220 |
| 校訂者 | Helen Callus・Michael Lieberman |
| 形状 | 210 g |
| 出版番号 | BF114 |
Preface - About Helen Callus - Introduction - Part 1 - Single Notes - Part 2 - A. Double Stops in Seconds - B. Double Stops in Thirds - C. Double Stops in Fourths - D. Double Stops in Sixths - E. Double Stops in Sevenths - F. Double Stops in Octaves - Part 3 - A. Interval Leaps: Single Notes - B. Interval Leaps: Double Stops - Part 4 - A. Whole-Tone Scales: Single Notes - B. Whole-Tone Scales: Double Stops - Part 5 - Tonal keys: Single Notes - Part 6 - Double-Stop Tunes - Part 7 - Walking Sixths and Eighths - Part 8 - A. Sequences of Scale-Like Single Notes - B. Sequences of Scale-Like Double Notes - Part 9 - Optional Bowing Variations for Parts 1 - 2 - 4 and 5 - Part 10 - Create Your Own Exercises