Three filmi songs from old Hindi movies can be heard playing in the background (when Clementine invites Joel to her apartment for a drink).
θɹˈiː fˈɪlmi sˈɔŋz fɹʌm ˈoʊld hˈɪndi mˈuːvɪz kæn biː hˈɜːd plˈeɪɪŋ ɪnðə bˈækɡɹaʊnd wɛn klˈɛməntˌaɪn ɪnvˈaɪts dʒˈoʊl tə hɜːɹ ɐpˈɑːɹtmənt fɚɹə dɹˈɪŋk.