There are more than one artists called Airi.
1.) AiRI is Japanese singer who formerly went by the name URAN and later UR@N. She provided the vocals for the fictional band 第二文芸部 (Daini Bungeibu) from the game Kira☆Kira. She changed her name to AiRI in 2011.
2.) Airi is a psychedelic trance project established in 2003 and stands for fast and energetic night moods.
3.) Airi is an alternative rock band from Helsinki, Finland. They use Read more on Last.fm