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Element: backup [group music-data]

Description

The backup and forward elements are required to coordinate multiple voices in one part, including music on multiple staves. The backup type is generally used to move between voices and staves. Thus the backup element does not include voice or staff elements. Duration values should always be positive, and should not cross measure boundaries or mid-measure changes in the divisions value.

Derived By

Type backup

Content Model

Contains elements as defined in the following table.

Component  Type  Occurs  Default  Description 
  1..1 
duration  positive-divisions  1..1  Duration is a positive number specified in division units. This is the intended duration vs. notated duration (for instance, swing eighths vs. even eighths, or differences in dotted notes in Baroque-era music). Differences in duration specific to an interpretation or performance should use the note element's attack and release attributes.
  0..1 
footnote  formatted-text  1..1  The footnote element specifies editorial information that appears in footnotes in the printed score. It is defined within a group due to its multiple uses within the MusicXML schema.
  0..1 
level  level  1..1  The level type is used to specify editorial information for different MusicXML elements.
Referenced By
Example

      <note default-x="10">
        <pitch>
          <step>F</step>
          <alter>1</alter>
          <octave>5</octave>
        </pitch>
        <duration>6</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem default-y="26">up</stem>
        <staff>1</staff>
      </note>
      <note default-x="65">
        <pitch>
          <step>G</step>
          <alter>1</alter>
          <octave>5</octave>
        </pitch>
        <duration>6</duration>
        <voice>1</voice>
        <type>quarter</type>
        <accidental>sharp</accidental>
        <stem default-y="30.5">up</stem>
        <staff>1</staff>
      </note>
      <note default-x="120">
        <pitch>
          <step>A</step>
          <octave>5</octave>
        </pitch>
        <duration>6</duration>
        <voice>1</voice>
        <type>quarter</type>
        <stem default-y="35.5">up</stem>
        <staff>1</staff>
      </note>
      <backup>
        <duration>18</duration>
      </backup>

      <note default-x="10">
        <pitch>
          <step>D</step>
          <octave>5</octave>
        </pitch>
        <duration>6</duration>
        <voice>2</voice>
        <type>quarter</type>
        <stem default-y="-45.5">down</stem>
        <staff>1</staff>
      </note>
      <note default-x="65">
        <pitch>
          <step>E</step>
          <octave>5</octave>
        </pitch>
        <duration>12</duration>
        <voice>2</voice>
        <type>half</type>
        <stem default-y="-40.5">down</stem>
        <staff>1</staff>
      </note>

 

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