Popularity of the song increased greatly in the decades following 9/11; at some sporting events it was sung in addition to the traditional singing of the national anthem.
pˌɑːpjʊlˈæɹᵻɾi ʌvðə sˈɔŋ ɪŋkɹˈiːst ɡɹˈeɪtli ɪnðə dˈɛkeɪdz fˈɑːloʊɪŋ nˈaɪn slˈæʃ ɪlˈɛvən; æt sˌʌm spˈoːɹɾɪŋ ᵻvˈɛnts ɪt wʌz sˈʌŋ ɪn ɐdˈɪʃən tə ðə tɹɐdˈɪʃənəl sˈɪŋɪŋ ʌvðə nˈæʃənəl ˈænθəm.