there are several artists called Orbis. One is a four piece old-school metal band fromBrisbane Australia who ahve been gigging around brisbane since mid 2008 and have vague plans to release an EP with their crowd favouite "I'm a Psycho" and a few other tracks, if they ever get their game together. but by the looks of the similar artists i don't think they are the most listened to band with the name

Read more about Orbis on Last.fm.