There are several artists with this name: 1) Ultra was a Hard Rock band from San Antonio, Texas from the mid- to late-1970s. Their sound was a mixture of heavy Southern blues rock, psychedelic rock, and proto-metal. The members were: Galen Niles (guitar), Larry McGuffin (guitar), Don Evans (vocals), Scott Stephens (bass), and Tom Schleuning (drums). All of the songs were written by Niles, McGuffin & Evans. Their recordings were compiled two decades later into the album "Ultra" by Monster Records in Texas.

Read more about Ultra on Last.fm.