ɐ ɹᵻlˈeɪɾᵻd ˈɪndɛks, ðə ɹˈaʊd bɹˈɔːdsaɪd ˈɪndɛks, ɪŋklˈuːdz ɹˈɛfɹənsᵻz tə sˈɔŋz wˌɪtʃ ɐpˈɪɹd ˌɔn bɹˈɔːdsaɪdz ænd ˈʌðɚ tʃˈiːp pɹˈɪnt pˌʌblɪkˈeɪʃənz, ˌʌp tʊ ɐbˌaʊt nˈaɪntiːnhˈʌndɹɪd twˈɛnti.
A related index, the Roud Broadside Index, includes references to songs which appeared on broadsides and other cheap print publications, up to about 1920.