While they pre-date Christianity, Christian missionaries altered many of the dances by incorporating Christian themes into the songs and poetry which accompany the dancing.
wˌaɪl ðeɪ pɹˈiːdˈeɪt kɹˌɪstɪˈænᵻɾi, kɹˈɪstʃən mˈɪʃənˌɛɹiz ˈɔltɚd mˈɛnɪəv ðə dˈænsᵻz baɪ ɪŋkˈoːɹpɚɹˌeɪɾɪŋ kɹˈɪstʃən θˈiːmz ˌɪntʊ ðə sˈɔŋz ænd pˈoʊɪtɹi wˌɪtʃ ɐkˈʌmpəni ðə dˈænsɪŋ.