fˈoːɹ hˈɑːt wˈeɪv ɪz sˈɪŋɚsˈɔŋɹaɪɾɚ kˈoʊdə kjˈuːmiz θˈɜːɾisˈɛkənd sˈɪŋɡəl ænd ɪz hɜː fˈɜːst kwˈɑːdɹuːpəl ˈeɪsˈaɪd, wɪð ˈiːtʃ sˈɔŋ kəntˈeɪnɪŋ ɐ kˌɔːɹɪspˈɑːndɪŋ mjˈuːzɪk vˈɪdɪoʊ.
4 Hot Wave is singer-songwriter Koda Kumi's thirty-second single and is her first quadruple A-side, with each song containing a corresponding music video.