Basic information about the piece is taken from the Source Catalogue, either in standardized spelling and terminology or in transliteration. These include: 

*   Heading
    
*   Incipit
    
*   Makâm
    
*   Usûl
    
*   Genre
    
*   Composer/lyricist
    
*   RISM Identifier
    
*   CMO Reference
    

\[Single items might be detailed here if necessary, especially if it is not to be clarified in the guidelines for the Source Catalogue, such as the source of particular information.\]