| Artist | : | Confusing octaves: C3, C4, C5, C6, C7, F7 |
| Title | : | Ivan Dorin |
| Duration | : | 107 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |
| Artist | : | Confusing octaves: C3, C4, C5, C6, C7, F7 |
| Title | : | Ivan Dorin |
| Duration | : | 107 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |