ðə bˈækɪŋ tɹˈæk ʌv "aɪ dˈuː" wʌz ɹᵻkˈoːɹdᵻd dˈʊɹɹɪŋ ɐ θɹˈiːˈaʊɚ sˈɛʃən æɾ ˌɑːɹsˌiːˈeɪ vˈɪktɚ stˈuːdɪˌoʊ ˌɔn noʊvˈɛmbɚ sˈɪks, nˈaɪntiːnhˈʌndɹɪd sˈɪksti θɹˈiː.
The backing track of "I Do" was recorded during a 3-hour session at RCA Victor Studio on November 6, 1963.