ðə sˈɔŋ "ˈɑːɹk" wʌz pɚfˈɔːɹmd baɪ vˈɛdɚɹ æt nˈaɪn ʃˈoʊz dˈʊɹɹɪŋ ðə sˈɛkənd nˈɔːɹθ ɐmˈɛɹɪkən lˈɛɡ ʌvðə tˈʊɹ æz ɐ tɹˈɪbjuːt tə ðə vˈɪktɪmz ʌvðə ɹˈɑːskɪldə dɪzˈæstɚ.
The song "Arc" was performed by Vedder at nine shows during the second North American leg of the tour as a tribute to the victims of the Roskilde disaster.