I was experimenting using Rosegarden to transpose segments.
I select the option to have it change the key-signature.
I noticed when I took a piece in the key of C (no flats or sharps), and
transposed it up one half-step (+1), it changed the key-signature to 7
This is correct, but this key is tonally the same as D-flat major (5
Wouldn't it be better to assume the lesser complexity (5 flats rather
than 7 sharps)?
Admittedly, there is a similar, more ambiguous situation, where a
transposition of 6 half-steps up (or 6 half-steps down), is either 6
sharps, or 6 flats, and how do you decide which to use? The user might
want one, or the other.
I tried transposing up from C, up to D-flat, and opened the segment with
the notation editor, and the key-signature was 7 sharps, but with
flat-accidentals in front of most (but not all) of the notes.
So I wonder if transposition is working (notationally) as expected.
Tonally, the transposition sounds right, and it looks right in the
I have attached the Rosegarden file I experimented with.
I'm using Rosegarden 15.12 (the version that comes with Ubuntu 16.04).
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No problem. It's just something I ran into, and wondered about.
I didn't realize you could select notes, and transpose just the selected
notes. Thanks for pointing that out.
On 10/15/2016 04:50 PM, D. Michael McIntyre wrote:
> On 09/12/2016 01:48 PM, Aere Greenway wrote:
>> Wouldn't it be better to assume the lesser complexity (5 flats rather
>> than 7 sharps)?
> Transpose up, go for sharps. Transpose down, go for flats. That's the
> usual idea.
> Transposed how? There might be a dozen different ways.
> So let's just look at the problem this way. I have a blurb in C I want
> to put in Db. Can I do that?
> Segment -> Add Key Change -> diddle controls... works fine.
> Adjust -> Transpose -> Transpose by interval... only works after
> manually selecting all events, does not change key signature, but works
> fine otherwise.
> Segment -> Transpose by interval... This yields the weird result you
> described. Sharp key signature, mixture of flat and sharp accidentals.
> Pretty much all to hell.
> Stuff like this interests me but I am drowning in work right now. My
> advice is to use what works and skip what's broken for the time being.