staves 

The staves element is used if there is more than one staff represented in the given part (e.g., 2 staves for typical piano parts). If absent, a value of 1 is assumed. Staves are ordered from top to bottom in a part in numerical order, with staff 1 above staff 2.

Element Information

Model

Source 

<xs:element name="staves" type="xs:nonNegativeInteger" minOccurs="0">
  <xs:annotation>
    <xs:documentation>The staves element is used if there is more than one staff represented in the given part (e.g., 2 staves for typical piano parts). If absent, a value of 1 is assumed. Staves are ordered from top to bottom in a part in numerical order, with staff 1 above staff 2.</xs:documentation>
  </xs:annotation>
</xs:element>

Sample