Biography
To be completely clear, "Bubble System" isn't really an artist. Oddly enough, this was the credited name for the song "Morning Music" from the game Keyboardmania. The music was originally used on games on the Bubble System arcade platform. The music played as a counter went from 99 to 0, with the text:
WARMING UP NOW
Read full biography ↓
PRESENTED BY KONAMI
This was due to the bubble memory literally requiring time to warm up to the proper operating temperature.
Biography text from Last.fm, available under CC BY-SA.