Sorry for no blue clickies:
http://easyweb.easynet.co.uk/~crossby/ECW/
http://www.proweb.co.uk/~roymat/civilw/civilw.html
http://www.cfcsc.dnd.ca/links/milhist/engciv.html
These came up fairly quickly via dogpile.com, searching "Engalnd"+"Civil War". If you add "Songs" the search yields less. May be best place to start.
Good luck.
Ed