 Illinois ( styled Sufjan Stevens Invites You To : Come On Feel the Illinoise on the cover ; sometimes written as Illinoise ) is a 2005 concept album by American indie folk songwriter Sufjan Stevens . It is his fifth studio album , and features songs referencing places , events , and persons related to the U.S. state of Illinois . Illinois is Stevens ' second based on a U.S. state — part of a planned series of fifty that began with the 2003 album Michigan that Stevens has since acknowledged was a gag . 
 Illinois ( styled Sufjan Stevens Invites You To : Come On Feel the Illinoise on the cover ; sometimes written as Illinoise ) <a href='drop_aux' title='1'><mark>is</mark></a>a 2005 concept album by American indie folk songwriter Sufjan Stevens . It <a href='drop_aux' title='2'><mark>is</mark></a>his fifth studio album , and <a href='uninflect' title='3'><mark>features</mark></a> songs referencing places , events , and persons related to the U.S. state of Illinois . Illinois <a href='drop_aux' title='4'><mark>is</mark></a>Stevens <a href='null_genetive' title='5'><mark>'</mark></a>second based on a U.S. state — part of a planned series of fifty <a href='null_relcl' title='6'><mark>that</mark></a>began with the 2003 album Michigan <a href='null_relcl' title='7'><mark>that</mark></a>Stevens <a href='been_done' title='8'><mark>has</mark></a> since acknowledged was a gag . 
Illinois ( styled Sufjan Stevens Invites You To : cum On Feel the Illinoise on the cover ; sometimes written as Illinoise ) a 2005 concept album by American indie folk songwriter Sufjan Stevens . It his fifth studio mixtape , and feature songs referencing places , events , and persons related to the U.S. state of Illinois . Illinois Stevens  second based on a U.S. state — part of a planned series of fifty began with the 200mixtapeum Michigan Stevens done since acknowledged was a gag .