psytrance

There are multiple artists called Bubble: 1 - Bubble - Karen Bagdasarov and Guy Sarnat are two musicians from the Israeli jazz, trance and electro scene, who met in the SNS-records studio in 2004.
Guy got into trance at age of 15. He started producing music in his home studio and graduated the Music School in Tel Aviv.
Karen started his musical career at the age of 5 starting out by learning to play the saxophone, later he graduated the Academy of Music and Dance in Jerusalem, where he became a professional musician.

Read more about Bubble on Last.fm.

There are mutliple artists with this name: 1. Concept is an American Hip Hop Artist from Philadelphia, PA (arguably the most popular artist under the name) born Daniel Byelich, on August 15th, 1989.
His break through to the hip hop world, came in 2009, when he released an all instrumental EP titled "The Pitchfork Product EP". Since he has joined two other Hip Hop acts, Sideshow Mob, and Bio Organic Weaponry (B.O.W. for short)

There are five artists called ION. (1)ION (correctly: Íon) is a new project of ex-Anathema, Duncan Patterson.
Duncan Patterson career traces back to the early 90's, when he began his musical incursions as a member of Anathema, a group that would pioneer and remain as forerunners of the unique Doom Metal genre throughout that decade.
Patterson would later also become involved with Antimatter, a project which would find him developing his age-old talent for emotional and atmospheric song-writing into new formats...