There are two acts known as Ultrasound:
1) British Indie Rock Band
2) American drone ambient trio
Ultrasound are an English indie band who were active in the late 1990s. Although fronted by singer/guitarist Andrew "Tiny" Wood, their principal songwriter was guitarist Richard Green. Wood, Green and drummer Andy Peace had previously worked together in Sleepy People, and the line-up was completed by Matt Jones (keyboards) and Vanessa Best (bass/vocals).