ソードアート・オンライン
A number of character songs were included in the Blu-ray and DVD volume releases of the anime. These were collected into two compilation albums: "Sword Art Online Song Collection", which included character songs released in the season one volumes, was released on August 27, 2014, while "Sword Art Online Song Collection II", which included character songs released in the season two volumes, was released on March 22, 2017.