The sound of the Sun'' is a 2d animated shortfilm in tradigital technique made in solitaire. During approximately eleven (11) minutes, it tells the story of Silvia, a girl who discovers a particular connection with a stranger. She awakens more than an attraction, an identification. Silvia no longer feels alone. However, forces beyond his control seem to undermine this new possibility of happiness. At a technical level, the animation is done in a limited way, that is to say with less than 24 drawings per second. It is developed in TVPAINT animation program. The backgrounds, inspired from Lima city, are digitally painted in Adobe Photoshop, with a technique that takes its brushes and the sensation of mist from Fauvist expressionism. For practical and aesthetic purposes, the 2d animation is complemented with 3d simulations carried out in the Blender program. The composition was carried out ...