(andPOP) - It's not easy to convince rockers System of a Down to allow for their music to be used in films.
They had never agreed to license any tracks from their library of music before director D.J. Caruso approached them about using a song in the teen thriller "Disturbia," out in theatres Friday.
Their criteria? They had to like the movie.
"I had to show them the movie one day at a private screening," Caruso told andPOP this week. "They saw it, loved it, saw the place for the song and they OK'd it."
While filming "Disturbia," Caruso saw a sequence where he said that their Grammy-nominated song "Lonely Day" would be appropriate.
"I listen to a lot of different music and every once in a while there's a song that seems to fit perfectly in a sequence and that was the song."
He played the song for Shia LaBeouf, who stars as the troubled teen, and who happens to list System of a Down as his favourite band.
System of a Down also agreed to let the song be used in the trailer for "Disturbia."
"They really anchored the soundtrack and that's a big part of the movie. It just worked naturally so I'm glad they saw that it did."
Read more about "Disturbia" in andPOP's interview with D.J. Caruso.