On May 7, 2010, she had her musical debut as the main female role in "Midnight Sun", which is based on the Japanese novel "Taiyō no uta" by Aya Denkawa.The musical is about Kaoru Amane, a 17-year-old girl, who suffers from Xeroderma pigmentosum, keeping her from going outside during the day. She keeps her hopes up by writing songs and singing every night at a train station. Taeyeon gained a lot of support by fans and she received good press for her performance.[16] Furthermore, she learned to play guitar for her musical performance.
In May 2010, it was revealed that Taeyeon and her band mate Seohyun were cast as voice actors for the Korean dub of the 3D animation Despicable Me. Taeyeon will dub the character Margo, while Seohyun's role is Margo's younger sister Edith.
