In order to find accurate information like discographies with catalog numbers, mono/stereo, other releases, Uk Charts, Weeks in Charts, First Week in Charts, High Position, Reissues, lyrics, video and more for several bands and artists i recommend http://www.discoogle.com
Some interesting examples are:
Rock
http://www.discoogle.com/wiki/Pink_Floyd
http://www.discoogle.com/wiki/Pink_Floyd_Lyrics
http://www.discoogle.com/wiki/Pink_Floyd_Discography
Rock 'N' Roll
http://www.discoogle.com/wiki/Presley%2C_Elvis
http://www.discoogle.com/wiki/Presley%2C_Elvis_Lyrics
http://www.discoogle.com/wiki/Presley%2C_Elvis_Discography
From Jazz music:
http://www.discoogle.com/wiki/Miller%2C_Glenn
http://www.discoogle.com/wiki/Miller%2C_Glenn_Discography
and from modern rock (Alternative/Indie...)
http://www.discoogle.com/wiki/Keane
http://www.discoogle.com/wiki/Keane_Lyrics
http://www.discoogle.com/wiki/Keane_Discography
and select general categories
http://www.discoogle.com/wiki/Category:Artists
http://www.discoogle.com/wiki/Category:Bands
http://www.discoogle.com/wiki/Categoryiscography
http://www.discoogle.com/wiki/Category:Lyrics
http://www.discoogle.com/wiki/Category:Musicians
See U!