Gellen Martadinata is an Indonesian singer-songwriter who has been making waves in the music industry since the early 2000s. Known for his soulful vocals and heartfelt lyrics, Gellen has released numerous hit songs, including "Semesta Membantu," "Hey Cantik," and "Langkah Baru." His music often explores themes of love, loss, and the human experience, resonating with audiences of all ages.