Thanks. Lukas, that's what I looked for! On the next page there are dragmas with flags on both stem and ones with flags only on the down stem.
Lukas-Fabian Moser <l...@gmx.de> ezt írta (időpont: 2020. júl. 21., K, 11:32): > > Hi Pál, > > > in ancient (ars subtilior) notation there actually are noteheads with > > two stems (which may also be flagged differently), called "dragma". > > a picture search for "dragma ars subtilior" returned poor images; one > > not entirely useless is > > https://www.last.fm/music/Philippus+de+Caserta/+images/f82a66af9573ba3cf431b0b1986f07e8 > > (staff three, the black block between two red block in the first half > > of the staff); or see the youtube video > > https://www.youtube.com/watch?v=wd3ouxA9p-o > > See also the examples given in Apel, the first of which being > > https://archive.org/details/notationofpolyph1953apel/page/392/mode/2up > > Best > Lukas >