fɔːɹ ɛɡzˈæmpəl, ðə ɹˈaʊd fˈoʊk sˈɔŋ ˈɪndɛks ʃˈoʊz twˈɛnti tˈuː sˈoːɹsᵻz fɔːɹ  "hˈaɪnd ˈɛtɪn" ɹˈaʊd θˈɜːɾi θɹˈiː, tʃˈaɪld fˈoːɹɾi wˈʌn, wˌaɪl ðə tɹɐdˈɪʃənəl bˈæləd ˈɪndɛks lˈɪst ˈoʊnli wˈʌn sˈoːɹs.
(For example, the Roud Folk Song Index shows 22 sources for  "Hind Etin" (Roud 33, Child 41), while the Traditional Ballad Index list only one source.)