The Manhattan Project may refer to (7) artists.

1) An electronic band from Rochester, New York - http://www.myspace.com/themanhattanprojectlive

2) A metalcore band from Greensboro, North Carolina - http://www.myspace.com/themanhattanprojectnc

3) An emotive punk band from the Lehigh Valley, PA. -
Free EP
http://www.mediafire.com/?qqdsd23dcdw10vq

Myspace is awful.
http://www.myspace.com/themanhattanprojectpa

4) A Hip Hop group from Oak Ridge, TN - http://www.myspace.com/mahattanprojectmusic

5) An alternative rock band from Birmingham, UK. - http://www.myspace.com/iammanhattanproject

6) A melodic hardcore band from South London, UK. - http://www.myspace.com/tmpuk

7) An American jazz fusion band. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.