ˈɔːl sˈɔŋz fˈiːtʃɚ bˈæɹi ɡˈɪbz fɔlsˈɛɾoʊ vˈɔɪs, ɛksˈɛpt "wˌʌt kˈaɪnd ʌv fˈuːl" wˌɛɹ hiː jˈuːzd hɪz nˈætʃɚɹəl vˈɔɪs.
All songs feature Barry Gibb's falsetto voice, except "What Kind of Fool" where he used his natural voice.