Article requirements for: 
  Start-Class criteria: 
 (1)A reasonably complete infobox. (2) A lead section giving an overview of the album. (3) A track listing. (4) Reference to at least primary personnel by name. (5) Categorization at least by artist and year. 

 C-Class criteria: 
 (1) All of Start class criteria. (2) A reasonably complete infobox, including cover art. (3) At least one section of prose (in addition to the lead section). (4) A track listing containing track lengths and authors for all songs. (5) A personnel section listing performers, including guest musicians. (6) A casual reader should learn something about the album. 

 B-Class criteria: 
 (1) All of B-Class criteria. (2) A completed infobox, including cover art and most technical details. (3) A full list of personnel, including technical personnel and guest musicians. (4) No obvious issues with sourcing, including the use of blatantly improper sources. (5) No significant issues exist to hamper readability, although it may not rigorously follow the style guidelines. (6) No glaring omissions of information (see some suggestions at WP:ALBUM) or extraneous information, like trivia.