20k-Hz 贰万赫兹 Instagram : https://instagram.com/20khz_officialYD999 Instagram : https://instagram.com/999_youngdYoutube : https://www.youtube.com/watch?v=rQ6vau8aXcI&list=RDrQ6vau8aXcI&start_radio=1soundcloud :https://soundcloud.com/yd-999/yd999-cardy-official-audio