Stub class: basic information and a reasonable infobox supplied; 
 Start class: 
 *  A reasonably complete infobox 
 *  A lead section giving an overview of the song/single (one sentence is not a lead section) 
 *  A track listing 
 *  Reference to at least primary personnel by name (must specify performers on the current song/single; a band navbox is insufficient) 
 *  Categorisation at least by artist and year 

 C-class: 
 * All the start class criteria 
 * A completed infobox, including cover art and most technical details 
 * At least one other section of prose (in addition to the lead section) 
 * A track listing containing track lengths and authors for all songs  
 * A full list of personnel, including technical personnel and guest musicians 
 * Reliable independent in-line references supporting claims 
 * A casual reader should learn something about the song/single.