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