This element is recommended where the MEI file is a transcription of existing music, but is not required when the data is originally created in MEI form.
<elementSpec ident="sourceDesc" module="MEI.header">
<gloss xml:lang="en">source description</gloss>
<desc xml:lang="en">A container for the descriptions of the source(s) used in the
creation of the electronic file.</desc>
<content>
</content>
<remarks xml:lang="en">
<p>This element is recommended where the MEI file is a transcription of existing music,
but is
not required when the data is originally created in MEI form.</p>
</remarks>
</elementSpec>