[MEI-L] Slurs/ties across repetitions and/or endings

[Werner Goebl]

Dear list,

How would you encode a slur or tie that spans across a repetition sign 
and an ending block or across two ending blocks?

Please see attached an excerpt from Beethoven Op. 57, 2nd movement.

1) There is a tie in the bass (bars 1--2) across a repeat start. The 
same tie is drawn in bar 9  with a repetition bar line in the first 
ending (prima volta) that leads back to bar 2.

You could encode the ties as note attributes with multiple tie="i" or 
tie="t".

The first example in bar 1--2/9--2 would be like this:

<measure n="1">
	...
	<note dur="8" oct="1" pname="g" accid.ges="f" tie="i" />
	...
</measure>
<measure n="2" left="rptstart">
	...
	<note dur="8" oct="1" pname="g" accid.ges="f" tie="t" />
	...
</measure>
...
<ending n="1">
	...
	<measure n="9" right="rptend">
		...
		<note dur="8" oct="1" pname="g" accid.ges="f" tie="i" />
		...	
	</measure>
</ending>

2) Another version of this problem is the tie from bar 7--8 into ending 
1 and into ending 2. (A second such example occurs in the 3rd staff group.)

<measure n="7">
	...
	<note dur="8" oct="1" pname="a" accid.ges="f" tie="i" />
	...
</measure>
<ending n="1">
	<measure n="8">
		...
		<note dur="8" oct="1" pname="a" accid.ges="f" tie="t" />
		...
	</measure>
	...
</ending>
<ending n="2">
	<measure n="8">
		...
		<note dur="8" oct="1" pname="a" accid.ges="f" tie="t" />
		...	
	</measure>
	...
</ending>

In both approaches, Verovio only renders the tie in the first ending, 
but not in the second.

Is there a better way to encode such overlapping slurs/ties, in a way 
that Verovio actually renders? Would a modified tie element help that 
allows for multiple endids in such cases? Or is there another correct 
way of encoding this?

All the best,
Werner & David


-- 
Dr. Werner Goebl
Associate Professor
Department of Music Acoustics – Wiener Klangstil
University of Music and Performing Arts Vienna
Anton-von-Webern-Platz 1
1030 Vienna, Austria
Tel. +43 1 71155 4311
Fax. +43 1 71155 4399
http://iwk.mdw.ac.at/goebl
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