Yorokobi No Uta

High Quality Content by WIKIPEDIA articles! Yorokobi no Uta (喜びの歌 in Japanese text, translates to Song of Joy) is the fourth overall single by Japanese boy band, KAT-TUN, and the first from their third studio album, KAT-TUN III: Queen of Pirates. The single was released in two editions; a regular edition with the songs and its instrumental versions and a limited edition with a DVD of the music video.