<xs:simpleType name="beam-value"><xs:annotation><xs:documentation>The beam-value type represents the type of beam associated with each of 6 beam levels (up to 256th notes) available for each note.</xs:documentation></xs:annotation><xs:restriction base="xs:string"><xs:enumeration value="begin"/><xs:enumeration value="continue"/><xs:enumeration value="end"/><xs:enumeration value="forward hook"/><xs:enumeration value="backward hook"/></xs:restriction></xs:simpleType>