With his 5 Etudes in Different Intervals op. 68, composed in 1992, Kapustin presents technically very demanding exercises based around different intervals. They have been recorded for CD by Marc-André Hamelin.
| Instrument (fx guitar, sang m.m.) | Klaver |
| Genrer (Fx Pop, Rock, Børn m.m.) | Tuition |
| Niveau | Medium |
| Sideantal | 52 |
| Media (fx Bog, CD, DVD m.m.) | Bog(softcover, hæftet) |
| Publisher/Producent | Schott Music |
| Bidragydere | Kapustin, Nikolai(Composer) Kawakami, Masahiro(Arranger) |
| ISBN | 9781540082916 |
| ISMN | 9790001207836 |
| UPC | 842819108184 |