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 www.discoogle.com
Some interesting examples are:
Rock
http://www.discoogle.com/wiki/Thin_Lizzy
http://www.discoogle.com/wiki/Thin_Lizzy_Lyrics
http://www.discoogle.com/wiki/Thin_Lizzy_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
Heavy Metal
http://www.discoogle.com/wiki/Iron_Maiden
http://www.discoogle.com/wiki/Iron_Maiden_Lyrics
http://www.discoogle.com/wiki/Iron_Maiden_Discography
modern rock (Alternative/Indie…)
http://www.discoogle.com/wiki/Kings_Of_Leon
http://www.discoogle.com/wiki/Kings_Of_Leon_Lyrics
http://www.discoogle.com/wiki/Kings_Of_Leon_Discography
and select general categories
http://www.discoogle.com/wiki/Category:Artists
http://www.discoogle.com/wiki/Category:Bands
http://www.discoogle.com/wiki/Category:Discography
http://www.discoogle.com/wiki/Category:Lyrics
http://www.discoogle.com/wiki/Category:Musicians
See U!
