| English | eng-000 |
| without a score | |
| Deutsch | deu-000 | Improvisation |
| Deutsch | deu-000 | Stegreif |
| English | eng-000 | impromptu |
| English | eng-000 | improvisation |
| English | eng-000 | improvization |
| English | eng-000 | off the cuff |
| français | fra-000 | impromptu |
| français | fra-000 | improvisation |
| français | fra-000 | improvisé |
| 日本語 | jpn-000 | 即興 |