40 Days Tempted A christian band from Mansfield, Ohio. News, photos, show dates, and merchandise. http://fortydt.freeyellow.com/Index.html

4th Ward Alternative pop/rock band. Includes a biography, pictures, news and reviews. http://www.4thward.com

40 Miles Out Adult contemporary music group from Dallas, Texas. Profile, pictures, and sound files. http://www.40milesout.com/

4 Below An aggressive alternative music band from Creston, Iowa. http://www.4below.com/

4 of Us, The Dublin based pop/rock band. Official site includes news, history, discography, sound files, reviews, and tour dates. http://www.the4ofus.com/

40 Below Summer Some of the best heavy music on the planet. Includes biography, pictures, MP3s and show dates. http://www.40belowsummer.com/

4am Adelaide's hottest rock and soul band. Gig guide, song list, and pictures. http://www.adam.com.au/ramurphy/4am.html

4th Plane Jaiant Portland, Oregon jazz/pop quartet. Press and fan reviews, pictures, show dates, and merchandise. http://www.4thplanejaiant.com

471 News, profile, sound files, and calendar for the Christian rock/pop/praise band. http://www.the471.com/

4thFloor Boston based pop/rock band. History, news, and sound files. http://www.fortunecity.com/marina/greateastern/462/

4-Play A fan page with band information and photos. http://www.angelfire.com/ca4/4play/main.html

The 45s UK pop band. News, pictures, interviews, games, screensavers, reviews, lyrics, and links. http://www.ispythe45s.btinternet.co.uk

40 lb. Head Pennsylvania pop/punk band. Biography, photos, articles, MP3s, show dates, chat, merchandise, and links. http://www.40lbhead.com

420 Trainwreck, The Official site of North Carolina rock band. Includes members profiles, photos, forum, and links. http://the420trainwreck.tripod.com/

4ft Fingers Fansite includes animation, news, reviews, pictures, biographies, discography, tour dates, and games. http://www.angelfire.com/punk3/4ftfingers/

4Mag Nitrous Heavy stoner rock band from South Louisiana. Includes band biography, show dates, lyrics, pictures, and forum. http://www.4magnitrous.com/

4th Order Official site. Includes news, biography, photo gallery, MP3s, wallpaper, forum, and merchandise store. http://www.4thorder.net/

4 Fourty Nashville, Tennessee rock band. Biography, photos, show dates, radio, downloads, reviews, merchandise, and links. http://www.amusicaproductions.com/4Fourty/index.html

Rollingstone.com: 808 State Includes biography, discography, and message board. http://www.rollingstone.com/artists/default.asp?oid=2442