ɹˈiːkə mjˌʊɹɹɐnˈɑːkə hæd ˈiːvən wˈɜːkt dɪvˈɛləpɪŋ pɹˈiːpɹˈoʊɡɹæmd bˈiːts ænd sˈaʊndz fɔːɹ kˈæsɪˌoʊ ᵻlɛktɹˈɑːnɪk kˈiːboːɹdz ænd pɹədˈuːst mjˈuːzɪk fɔːɹ ˌɛdʒuːkˈeɪʃənəl tˈɛkstbʊks ænd mətˈɪɹiəlz.
Rika Muranaka had even worked developing pre-programmed beats and sounds for Casio electronic keyboards and produced music for educational textbooks and materials.