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metronome tag

Moderator: Michael Good

metronome tag

Postby .mjb » Wed Mar 25, 2015 10:15 pm

The most common metronome markings are easy to read in MusicXML
e.g.
Code: Select all
<metronome>
   <beat-unit>quarter</beat-unit>
   <per-minute>120</per-minute>
</metronome>


Beyond this there is a lot of complexity that's possible. If I'm reading this correctly, the following is valid in MusicXML, but I can't understand what it would mean. What does this construct mean?
Code: Select all
<metronome>
   <beat-unit>quarter</beat-unit>
   <beat-unit>quarter</beat-unit>
</metronome>
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Re: metronome tag

Postby Michael Good » Thu Mar 26, 2015 9:47 am

That's the type of metronome mark you might see at time signature changes. For instance, if the time is changing from 2/4 to 6/8, you might use that mark to indicate it is the quarter note beat that stays constant, rather than a quarter note in 2/4 being at the same speed as a dotted quarter in 6/8.
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Re: metronome tag

Postby .mjb » Thu Mar 26, 2015 1:33 pm

I would have expected your example to read like this

Code: Select all
<metronome>
   <metronome-note>
      <metronome-type>quarter</metronome-type>
   </metronome-note>
   <metronome-relation>equals</metronome-relation>
   <metronome-note>
      <metronome-type>quarter</metronome-type>
   </metronome-note>
</metronome>
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Re: metronome tag

Postby Michael Good » Thu Mar 26, 2015 6:16 pm

The <metronome-note> and <metronome-relation> elements are intended for more complex relationships. You could represent it that way but there is no need when the simpler version works just as well - and probably better, since it's been in MusicXML longer. The <metronome-note> and <metronome-relation> elements were added in MusicXML 2.0.
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Re: metronome tag

Postby .mjb » Thu Mar 26, 2015 7:11 pm

Makes sense, thank you.
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