Disturbed released their previously free song "Perfect Insanity" on iTunes Store as a second single on May 6, 2008, and the album Indestructible become available for pre-order for the release date on June 3, 2008.
Indestructible sebelumnya merilis lagu gratis "Perfect Insanity" di iTunes Store sebagai single kedua pada 6 Mei 2008, dan album Indestructible dirilis dipasaran untuk pre-order pada tanggal 3 Juni 2008.