"Attack on Titan" by Hiroyuki Sawano is an animation soundtrack CD released in 2013 under the record labels IMT and Pony Canyon. The CD features music inspired by the popular anime and manga series, capturing the intense and thrilling atmosphere of the show. With Sawano's unique musical style and attention to detail, this CD is sure to be a must-have for fans of the series looking to enhance their viewing experience with captivating soundscapes.