Re: \tuplet 2/3

[Timothy Lanfear]

On 15/12/2020 22:26, Aaron Hill wrote:
> On 2020-12-15 2:09 pm, bobroff@centrum.is wrote:
> > I need to print half-note duplets in 3/4 time.  '\tuplet 2/3' does not
> > work.  The code below *does* work.  My question is; is this the
> > "right" way to do this?
> >
> > Thanks,
> >
> > David
> >
> > \version "2.20.0"
> >
> > \score {
> >   \relative c' {
> >     \time 3/4
> >     \once\override TupletNumber.text = \markup{ "2" }
> >     \tuplet 4/3 {c2 c}
> >   }
> > }
>
> \tuplet 2/3 would mean every two notes of a particular duration should 
> last as long as three notes of that duration.  But three half notes 
> would be two full measures in 3/4 time.  So, \tuplet 4/3 would be 
> correct if you intend for two half notes to "fill" a 3/4 measure.  
> Consider:
>
> %%%%
> \version "2.20.0"
>
> { \time 3/4
>   | b'4. b'                 % two dotted quarters
>   | b'2*3/4 b'              % half notes scaled by 3/4
>   | \times 3/4 { b'2 b'  }  % same, but using \times
>   | \tuplet 4/3 { b'2 b' }  % same, but using \tuplet
> }
> %%%%
>
> \tuplet and \times differ only on the order of numerator/denominator.
>
>
> -- Aaron Hill
Another approach, that prints a "2" for the tuplet number is

\score {
  \relative c' {
    \time 3/4
    \tuplet 2/3 {c2*1/2 c}
  }
}

c2 provides the graphical representation of a minim; scaling by 1/2 
gives them the duration of crotchet, and the 2/3 tuplet makes two of 
them fill a 3/4 bar.


--
Timothy Lanfear, Bristol, UK.