Biography
The Mahora Gakuen Chuutobu 2-A (Mahora Academy Class 2-A) are the characters from the anime series Negima!: Magister Negi Magi (Mahō Sensei Negima!). The singers in this OST are the voice actresses from the anime. Some of them are famous singers from Japan.
Biography text from Last.fm, available under CC BY-SA.