They've released a brand-new single as well, called “My Songs Know What You Did in the Dark (Light Em Up),” and it's their first release as a band in more than three years. The song's pretty OK too.
The song comes off their new album, out May 6, called "Save Roll and Rock."
Source: youtube.com
Their last full-length release was 2008's "Folie à Deux."
Source: youtube.com
Since their hiatus, each member went on to various side projects, including Pete Wentz's dubstep project Black Cards.
Guitarist Joe Trohman and Andy Hurley have been playing in metalcore supergroup The Damned Things.
Source: youtube.com