Here are some songs that are tribute songs that came out of and because of the attacks on America on September 11, 2001. Some of the songs I was surprised about till I listened to them.
Courtesy of the Red White and Blue....Toby Keith
Please Remember Me September 11, 2001 tribute....Tim McGraw
9-11 Tribute God Bless the U.S.A. ....Lee Greenwood
Who You'd Be Today....Kenny Chesney
September 11, 2001....Garth Brooks
There's A Hole In The World Tonight....The Eagles
Letters From Home....John Michael Montgomery
Osama-Yo Momma....Ray Stevens
Where The Stars and Stripes, and The Eagle Fly....Aaron Tippin (this song got a lot of airplay after 9-11-2001)
Stand Up....Mel McDaniel (as performed on the Grand Ole Opry)
American Soldier....Toby Keith
Where Were You When the World Stopped Turning....Alan Jackson
Have You Forgotten?....Darryl Worley
There are more songs remembering that date, these are just a few I thought I'd mention.......In Memory.