[linux-audio-user] Linux music notation editor criteria

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Hi Chris:

  Thank you very much for your response. Some further considerations 
follow...

Chris Cannam wrote:

>
>I presume that part of the motivation for this is the observation that 
>notation software in 1994 was pretty advanced already, and the field 
>doesn't seem to have advanced much (if at all) since.  I think that 
>would be a fair comment, anyway.  1994 was when I started working on 
>Rosegarden 2.1, and I remember being hugely impressed at the time by 
>the capabilities of even relatively modest software like Encore.  I 
>don't think Rosegarden today does as much as Encore did then.  The 
>main advance is that free software now has access to a better 
>notation font, thanks to the excellent work of the Lilypond project.
>
Yes, it seems that we have combinations of applications that in fact 
provide quite complete notation capabilities. LilyPond supports an 
impressive number of notation requirements, including figured bass and 
lyrics, so I could see myself preparing a basic "input" score with 
Rosegarden that I could export to LilyPond for refinement. This two-step 
process is probably anathema to the Win/Mac folks, but as Professor 
Belkin points out, the all-in-one aproach simply can't accomodate all 
the possible situations that arise during the formatting of notation 
destined for printed output.

>Of course it's also true that notation software on Windows and Mac now 
>(Sibelius, Finale etc) does very little that the same or equivalent 
>software didn't do ten years ago.  Most of the improvements since 
>then have been in details of user interface polish, fine-tuning the 
>output, and things like native synthesis for playback.
>
>Anyway, I'll happily respond to the list by filling in the things you 
>can and can't do in Rosegarden at the moment.  In our defence, before 
>I start I do want to point out that Rosegarden is not primarily a 
>score typesetter at all.
>
Another point I've been thinking about. Belkin makes the distinction 
between rule-based and graphic music notation applications, noting that 
many apps include aspects of both approaches. However, it seems to me 
that a rule-based system such as LilyPond provides ultimate flexibility 
regarding the detail quality of output, but obviously the graphics-based 
approach favors ease of input. Would you say that Rosegarden takes such 
a combined approach ?

>>Note entry:
>>[x] mouse & keyboard
>>[x] MIDI step-time
>>[x] MIDI realtime w. flexible quantization
>>    audition other saves while recording
>>    
>>
>
>I'm not sure I understand what that one means.
>
Sorry, it should have read "staves". Ergo, you can listen to music 
already entered on other staffs while recording a new one.

>>[x] retain performance data for playback
>>    
>>
>
>I wonder whether he meant velocity and instrument data only, or 
>pre-quantization timings as well?  Rosegarden does all of these.
>
He doesn't specify, even in the article, but I suspect you have the 
right interpretation.

>>[ ] number of independent rhythmic layers per staff
>>    
>>
>
>Not supported at all -- a big omission.
>
Indeed. I assume it's on the RG Todo list ?


>>    maximum number of staves per system
>>    
>>
>
>No built-in limit.
>
Excellent.


>>Entry of slurs, articulations, dynamics, etc.:
>>[x] intelligent default placement
>>[ ] apply to multiple staves at once
>>
>>Selection in regional edits:
>>[x] vertical, horizontal slices within and across measures, staves,
>>system, pages, etc.
>>    
>>
>
>Well, partly -- you can select individual notes, rectangles, 
>incremental selections of rectangles etc, but you can only select 
>from a single staff at once.
>
Still pretty neat. In his survey Belkin found that only Mosaic was 
"unlimited" in that regard.

>>[x] non-contiguous
>>    conditional selection
>>    
>>
>
>What do you think that means?
>
Well, I assume he refers to a command-oriented edit procedure, i.e., "If 
the passage is in semiquavers and written between middle C and its 
higher octave, then convert them to some new rhythmic value and 
transpose them downwards by a perfect 5th". Does that sound right to you ?

>>[x] click & drag positioning of symbols
>>[x] transposition (note, staff, selection, etc)
>>[x] enharmonic change by region
>>[ ] rhythm: change note values (ease of use)
>>    
>>
>
>Not currently easy to do en masse.
>

>>[x] rhythm: auto-rebar
>>[x] cut/copy/paste: music
>>    cut/copy/paste: non-musical items, formats, etc.
>>    
>>
>
>Partly -- things like text are generally cut and pasteable, and of 
>course there is also cut and paste at the segment editor level 
>(something which doesn't necessarily exist in a pure notation 
>editor).
>
What about cut/copy/paste elements such as dynamic signs, tempo 
indicators, crescendi/decrescendi, etc. ?


>>    mirroring (intelligent copies)
>>    
>>
>
>Again, things of this nature generally happen at the segment level.  
>For example, there are repeating segments that permit you to turn 
>individual repeats into real copies after the fact, and segments that 
>are triggered by individual events (for ornaments, pattern sequencing 
>etc).
>
Sounds good.

>>Special/custom notation:
>>[ ] unusual staves
>>[?] simultaneous key signatures
>>    
>>
>
>Not quite sure what's intended here either.
>
I believe he means simultaneous different keysigs. Is that do-able in RG ?

>>[x] unconventional time signatures
>>[ ] additive time signatures
>>[ ] simultaneous different time signatures
>>[ ] drawing tool
>>[x] user-created symbols
>>    
>>
>
>To a limited extent.  Note heads etc are configurable to different 
>font glyphs or pixmaps through various XML configuration files.
>
Ah, that's cool. Do you plan to support additive timesigs ? What about 
the simultaneous different timesigs ?


>>    user-selectable fonts for all elements
>>    
>>
>
>Rosegarden can use lots of different notation fonts, but it's actually 
>not possible to choose your text fonts at all (a silly omission).
>
Ouch. It's on the Todo list ?

>>[ ] chord notation: graphic, playback, learn via MIDI
>>[ ] fretboard notation
>>[ ] figured-bass notation
>>    
>>
>
>None of these is supported at all.
>
Any plan to incorporate them ? Chord frames would be nice, along with 
chord symbols. Figured bass would be nice, though I doubt many people 
actually write it anymore.

>>[x] unusual note heads (slashes, harmonics, etc)
>>    
>>
>
>As above, may take some configuration.
>

>>[ ] easily adjustable cross-staff beaming
>>    
>>
>
>Cross-staff beaming is not supported at all.
>
Too bad. It's often the only solution to some notation problems.


>>Lyrics:
>>[x] mass create
>>[ ] create on page
>>    
>>
>
>Individual lyric elements can be added and removed by hand, but it's 
>laborious -- you can't just click and type.
>

Again, too bad. I'd like lyrics to be entered as easily as writing in a 
text editor, but I do understand the difference of application here.

>>[x] import from text editor
>>    
>>
>
>Well, you can cut and paste!
>
Sure can... :)

>>[x] auto layout
>>[ ] multiple fonts
>>[ ] flexible placement
>>
>>MIDI playback:
>>[x] ALSA or OSS support
>>    
>>
>
>ALSA and JACK.
>

>>[x] channel support
>>[x] playback includes modifiers (crescendi, dynamics, etc)
>>    
>>
>
>You do have to tell Rosegarden to use them though -- it won't do it by 
>default because it would be bad form for a sequencer to override 
>velocities etc you might have already entered via MIDI.
>
Nice though.

>>[x] direct editing of MIDI data
>>[x] import patch lists (GM, GS, etc)
>>[x] scrolling playback
>>[x] edit during playback
>>
>>Entry layout:
>>[x] flexible engraver spacing within measure
>>    
>>
>
>To a very limited degree.
>

>>[x] account for dynamics, slurs, annotative text, etc.
>>
>>Page layout:
>>[x] auto layout with engraver spacing
>>[ ] reduce or enlarge symbols, staves, text, systems, by any
>>percent, locally or globally
>>[ ] full control of measures per system
>>[ ] full control of systems per page
>>[ ] remove empty staves within systems
>>[ ] flexible spacing of staves within systems
>>    
>>
>
>All automatic only.
>
But of course exporting to LilyPond gives the user all that capability.

>>Part extraction:
>>[ ] automatic with new layout
>>[ ] dynamic links to master score
>>    
>>
I wondered whether part extraction was supported. It is of course 
invaluable when producing larger-scale scores for ensembles. Any plans 
for it in RG ?

>>File operations:
>>[x] follow Linux standards (?)
>>    
>>
>
>(?) indeed.
>
I thought you might like that... :)

>>[ ] simultaneous multiple files open
>>[x] printed output: PS, PDF, DVI, etc.
>>
>>Interface/overall ease of use:
>>[x] undo/redo any operation
>>[x] user-defined key bindings
>>[x] user control over notational defaults
>>    
>>
>
>Some of them, anyway.
>
Good.


>>[x] views: scroll, page, template, any percent, multiple
>>simultaeous views
>>    
>>
>
>Linear, continuous page, multi-page, any size and multiple 
>simultaneous views anyway.
>
Excellent. Can I edit notation regardless of view ?


>The rest are all rather too relative for me to comment on.
>
>  
>
>>    priorities clear
>>    logical organization
>>    simple language and icons
>>    overall speed
>>    on-line help
>>    documentation
>>    ease of learning
>>    general solidity and stability
>>    
>>
Yes, these are all rather qualititative, though the documentation could 
be addressed. So far it seems that RG's docs are pretty good, but I 
haven't gone into them deeply yet.

Chris, thanks again for taking the time to respond. It really does give 
me a better appreciation for the capabilities of RG as measured against 
the "state of the art" for the Mac in 1994, and I agree that the 
criteria probably hasn't gone out of date.

Best regards,

dp



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