trill-step 

The trill-step type describes the alternating note of trills and mordents for playback, relative to the current note.

Simple Type Information

Used By

Attribute trill-sound/@trill-step

Source 

<xs:simpleType name="trill-step">
  <xs:annotation>
    <xs:documentation>The trill-step type describes the alternating note of trills and mordents for playback, relative to the current note.</xs:documentation>
  </xs:annotation>
  <xs:restriction base="xs:token">
    <xs:enumeration value="whole"/>
    <xs:enumeration value="half"/>
    <xs:enumeration value="unison"/>
  </xs:restriction>
</xs:simpleType>