On July 15, 2019, the band announced that they would perform a two-show series at the Pageant: "HalLUDOween 2019", consisting of "All Shadow's Eve" on November 1 and "Quiet Pines Senior Prom" on November 2.
ˌɔn dʒuːlˈaɪ fˈɪftiːn, tˈuː θˈaʊzənd nˈaɪntiːn, ðə bˈænd ɐnˈaʊnst ðæt ðeɪ wʊd pɚfˈɔːɹm ɐ tˈuːʃˈoʊ sˈɪɹiz æt ðə pˈædʒənt: "hˈæl ˌɛljˌuːdˈiː ˈoʊiːn tˈuː θˈaʊzənd nˈaɪntiːn", kənsˈɪstɪŋ ʌv "ˈɔːl ʃˈædoʊz ˈiːv" ˌɔn noʊvˈɛmbɚ wˈʌn ænd "kwˈaɪət pˈaɪnz sˈiːnjɚ pɹˈɑːm" ˌɔn noʊvˈɛmbɚ tˈuː.