There are currently five artists named Delta:
1) A progressive metal band from Chile.
2) An Australian hip-hop MC
3)a band formed by former Sea Urchin, James Roberts .
4) Latvian dance band.
5) a short lived US experimental new wave band
6) A Japanese hardcore band. 1) "DELTA" is a Neoclassical/Prog Rock/Metal band, formed by Rodrigo Guerra (Guitar) and Nicolas Quinteros (Keyboard) after intermittent intends.

Read more about Delta on Last.fm.