| Work Title | Impromptu |
|---|---|
| Alternative. Title | |
| Composer | Koman, Henryk |
| Opus/Catalogue NumberOp./Cat. No. | Op.18 |
| Internal Reference NumberInternal Ref. No. | None [force assignment] |
| Key | G-flat major |
| Dedication | à Madame Kazimire de Komierowska |
| Average DurationAvg. Duration | 3 minutes |
| Composer Time PeriodComp. Period | Romantic |
| Piece Style | Romantic |
| Instrumentation | Piano |
