ɪn tˈuː θˈaʊzənd fˈaɪv, ʌŋɡɹˈæŋsiː wʌz wˈʌn ʌv θɹˈiː ˌɪntɚnˈæʃənəl kəndˈʌktɚz ɪnvˈaɪɾᵻd tʊ ˈæktɪvli tˈeɪk pˈɑːɹt ɪnðə hɪstˈɔːɹɪk dɪvˈɛləpmənt ʌvðə sˈoʊl fˌɪlhɑːɹmˈɑːnɪk ˈɔːɹkᵻstɹə ˌɪntʊ ɐ wˈɜːldklˈæs mjˈuːzɪkəl ˌɪnstɪtˈuːʃən.
In 2005, Ungrangsee was one of three international conductors invited to actively take part in the historic development of the Seoul Philharmonic Orchestra  into a world-class musical institution.