mei:back 

(back matter) – Contains any appendixes, advertisements, indexes, etc.
following the main body of a musical text.

Element Information

Model

Source 

<xs:element name="back" substitutionGroup="mei:mei_model.backLike">
  <xs:annotation>
    <xs:documentation>(back matter) – Contains any appendixes, advertisements, indexes, etc. following the main body of a musical text.</xs:documentation>
  </xs:annotation>
</xs:element>

Sample