At 02:08 AM 5/13/04, you wrote:
Bernard Hill writes: | In message <[EMAIL PROTECTED]>, Neil | Jennings <[EMAIL PROTECTED]> writes | > Or, perhaps, by having a note object contain a list of (zero or | >more) pitch objects rather than just one pitch value. A note object | >with a duration and no pitch objects would, of course, be a rest. | > | >The problem with this is that the duration would be the same for all | >notes within the object | | That's a standard rule of music. You can't put black and white notes on | the same stem for instance.
Actually, this isn't a rule at all. Music printers routinely put white and black note heads on the same stem. They also put dots after some of the note heads and not others. You see this all the time in keyboard and guitar music, where damping individual notes in a chord is fairly easy. You also see it in choral music, where one voice can continue after others stop.
The problem is that standard staff notation has some serious limitations on what note lengths can be combined on a single stem. They all have to have the same number of flags, for instance. But this isn't really a "rule"; it's just a defect in the physical representation.
It's also fairly common to have a (dotted) whole note aligned vertically with notes on a stem, though there are some obvious limitations on where you can do this.
Also, it's fairly common to have some (but not necessarily all) of the notes on a stem have ties to a continuation note.
ABC has a somewhat more general representation of a "chord" of notes, since each note can have an arbitrary length. But it has some other limitations that aren't present in staff notation. For example, in guitar (and some keyboard) music, you'll see notes with "dangling" ties that don't lead to another note. This means "let it ring", which can be done on those instruments.
To subscribe/unsubscribe, point your browser to: http://www.tullochgorm.com/lists.html
To subscribe/unsubscribe, point your browser to: http://www.tullochgorm.com/lists.html
