Firman Siagian is an Indonesian singer and songwriter. He is known as the former lead vocalist and rhythm guitarist for the pop band The Fly and as the third-place contestant on the second season of Indonesian Idol.
Firman is known for his powerful vocal belting technique and wide vocal range. When still being with the band, he helped to release the 5th band album called "Loving You Is Wrong, I Don't Wanna Be Right." He started to perform as a solo artist in 2017.
Kehilangan - Separuh Hati Rindu Serindu-Rindunya - Rindu Serindu-Rindunya Separuh Hati - Separuh Hati
Top 3 - Indonesia Idol - 2005