Within Sevcik's School of Violin Technique, the OP.7 Series focuses on studies preparatory to the shake and development in double-stopping, for the slightly advanced pupil. Includes 28 Exercises in the 2nd, 3rd, 4th, 5th, and 6th Positions
| Instrument (fx guitar, sang m.m.) | Violin |
| Genrer (Fx Pop, Rock, Børn m.m.) | Romantic |
| Type (fx Instrumentskole o.lign.) | Studie |
| Sideantal | 34 |
| Media (fx Bog, CD, DVD m.m.) | Noder |
| Series | Sevcik Violin Studies |
| Publisher/Producent | Bosworth |
| Bidragydere | Sevcik, Otakar (Artist) |
| Sprog | Engelsk |
| ISBN | 9781847721709 |
| ISMN | M201614366 |