step 

The step type represents a step of the diatonic scale, represented using the English letters A through G.

Simple Type Information

Used By

Elements display-step-octave/display-step, non-traditional-key/key-step, pedal-tuning/pedal-step, pitch/step, tuning/tuning-step
Complex Types bass-step, root-step

Source 

<xs:simpleType name="step">
  <xs:annotation>
    <xs:documentation>The step type represents a step of the diatonic scale, represented using the English letters A through G.</xs:documentation>
  </xs:annotation>
  <xs:restriction base="xs:string">
    <xs:enumeration value="A"/>
    <xs:enumeration value="B"/>
    <xs:enumeration value="C"/>
    <xs:enumeration value="D"/>
    <xs:enumeration value="E"/>
    <xs:enumeration value="F"/>
    <xs:enumeration value="G"/>
  </xs:restriction>
</xs:simpleType>