David Tao
Ultrasound 1997–2003 () is Taiwanese Mandopop singer-songwriter David Tao's first compilation album. It was released on 8 August 2003 by EMI Music Taiwan. It features four new tracks as well as 11 previously released tracks, from his debut album, "David Tao" in 1997 to his third album "Black Tangerine" in 2003.