There are several different groups called (The) Magnificent 7, Magnificent 7 or (The) Magnificent Seven and it seems scrobbles for all of those groups end up here, sometimes through Last.fm's auto-correct function.
These are videos from concerts where The Magnificent 7 played, so they may be of other bands that played the concert as well.
Los Skarnales / The iGents / The Magnificent 7 Oct 2, 2005 Oklahoma City, Oklahoma, United States Embedded by Skanzo
The Magnificent 7 / 20 Minutes To Vegas Aug 28, 2004 Oklahoma City, Oklahoma, United States Embedded by Skanzo
The Stingers ATX / The Magnificent 7 / The Rudeboys Jul 22, 2004 Oklahoma City, Oklahoma, United States Embedded by Skanzo
The Toasters / Big D And The Kids Table / The Magnificent 7 Feb 6, 2004 Columbia, Missouri, United States Embedded by Skanzo