Re: Alternative bars in the middle of measure

[Sven Axelsson]

On 7 September 2016 at 00:56, David Wright <address@hidden> wrote:

On Tue 06 Sep 2016 at 23:40:40 (+0200), Sven Axelsson wrote:
> Thanks everyone. I tweaked my definition to use
>
> \allowVoltaHook "|"
>
> altBracket = #(define-music-function (parser location tag) (string?)
> #{
>     \once \override Score.VoltaBracket.shorten-pair = #'(0.3 . 0.3)
>     \set Score.repeatCommands = #(list (list 'volta (markup #:number tag)))
> #})
>
> which gives me precisely what I want. Here is an example using both \repeat
> ... \alternative endings and \altBracket alternatives.

OK, that's much better, and I can see you were wanting what I thought
you were. (I worried when I reread and saw "middle of a measure"
rather than "middle of a piece".)

However, I would still have misgivings about not starting the first
bracket at the start of bar 8, and duplicating the half-bar.

One minor detail: the 9th bar's volta (the 2nd time bar) shouldn't
have a hook, because the music runs on from that crochet and, as
significant, there's no jump from any earlier to the end of that
crochet. This is discussed in

http://lists.gnu.org/archive/html/lilypond-user/2015-10/msg00113.html

Is \allowVoltaHook as blunt an instrument as it was last year?

Yes, apparently so. Using alternatives for half bars as in bar 8 is relatively common in this genre, so I will stick with that. Your comment re. bar 9 would be fixed by ending that bar with a double line as I should have done in the first place.

Best,

Sven Axelsson

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