A band named themselves "Army Of One" released 3 songs for the movie "10,000 Saints" aka "Ten Thousand Saints" from 2015
Directed by: Shari Springer Berman, Robert Pulcini - starring "Ethan Hawke", "Asa Butterfield" and "Emile Hirsch"

"Transcend" and "Positive Aggression"
Written by Anna Waronker and Steve McDonald (as Steven McDonald)
Performed by Army of One (feat. Emile Hirsch) (uncredited)

"Straight Edge"
Written by Brian Baker (as James Baker), Ian MacKaye, Jeff Nelson (as Jeffrey Nelson) and Lyle Preslar
Performed by Army of One (feat. Emile Hirsch) (uncredited)