ˈæftɚ ðə sɛptˈɛmbɚɹ ɪlˈɛvən, tˈuː θˈaʊzənd wˈʌn ɐtˈæks, "pˈiːs ˌɔn ˈɜːθ" tˈʊk ˌɔn ɐdˈɪʃənəl mˈiːnɪŋ ænd kˈɑːnsɪkwəntli wʌz jˈuːzd æz ɐn ˈɑːŋkoːɹ sˈɔŋ dˈʊɹɹɪŋ ðə bˈændz ˌɛlɪvˈeɪʃən tˈʊɹ, kˈʌpəld wɪð "wˈɔːk ˈɔn".
After the September 11, 2001 attacks, "Peace on Earth" took on additional meaning and consequently was used as an encore song during the band's Elevation Tour, coupled with "Walk On".