| First name: | William |
| Last name: | Seymer |
| Dates: | 1890-1964 |
| Category: | Quartet |
| Nationality: | swedish |
| Opus name: | Tre Valsetter, arr. for piano quartet byYngve Skold |
| Publisher: | Swedish Music Information Centre |
| Peculiarities: | See: http://www.mic.se/avd/mic/prod/bilagor.nsf/dl/MixedPianoI.pdf/$file/MixedPianoI.pdf, page 37 |
| Information: | writer and composer, particularly of miniatures for the piano entitled Strofer i sol och skugga, Skizzer and Sommarcroquiser Op.11, which includes the ever-popular Solöga |