"DAN DAN Kokoro Hikareteku" is the opening theme song for the anime series "Dragon Ball GT." The song is performed by Field of View, a Japanese rock band. Tetsurō Oda is the vocalist and frontman of Field of View. The song was released in 1996 and became widely popular for its catchy melody and emotional lyrics. It's known for setting the tone for the Dragon Ball GT series, and many fans associate it with the adventures of Goku and his friends in that particular anime. The title "DAN DAN Kokoro Hikareteku" can be translated to "Gradually, I'm Captivated by Your Heart" in English.