心之谷
During production, the backgrounds in the fantasy sequences of the film were drawn by Naohisa Inoue and the woodcut of the imprisoned violin-maker was created by Miyazaki's son Keisuke Miyazaki, a professional engraver. Japanese musical duo Chage and Aska's short music video, titled "On Your Mark", by Studio Ghibli was released along with "Whisper of the Heart".