Among the Pythagoreans, the study of mathematics and music were connected to the worship of Apollo, their principal deity.
ɐmˌʌŋ ðə pˈaɪθɐɡˌoːɹiənz, ðə stˈʌdi ʌv mˌæθɪmˈæɾɪks ænd mjˈuːzɪk wɜː kənˈɛktᵻd tə ðə wˈɜːʃɪp ʌv ɐpˈɑːloʊ, ðɛɹ pɹˈɪnsɪpəl dˈiːəti.