1 is the fourth studio album by the American ska punk band Streetlight Manifesto, released March 16, 2010.

[4] Volume one features two songs written by Paul Simon, "Me and Julio Down by the Schoolyard" and "Red Rubber Ball".

Toward the end of 2009, Streetlight Manifesto announced that the first CD had been completed as was awaiting release from the record label.

The band also hinted at the possibility of self-releasing the album on vinyl through the Pentimento Music Company "long before" their label could release it on CD.

Between June and August 2010, the band went on a headlining US tour with support from the Wonder Years, Dan Potthast of MU330 and Crime in Stereo.