Taeyeon was the first member of Girls' Generation to debut as a solo singer; her debut EP "I" was released in October 2015, which peaked at number two on the Gaon Album Chart. Taeyeon's second EP, "Why" (2016), peaked atop the Gaon Album Chart. She has released two studio albums, "My Voice" (2017) and "Purpose" (2019), and three further EPs, "" (2017), "Something New" (2018), and "Voice" (2019). Tiffany was the second member to debut as a solo singer, releasing her debut EP "I Just Wanna Dance" in May 2016. After leaving SM Entertainment, Tiffany released her second EP, "Lips on Lips", in February 2019. Seohyun followed with her debut EP, "Don't Say No", in January 2017. Yuri and Yoona also released their debut EPs titled "The First Scene" (2018) and "A Walk to Remember" (2019), respectively. Since 2016, Hyoyeon has also released several solo singles both under her given name and her DJ Hyo moniker. In December 2018, Sooyoung released "Winter Breath", her first solo single since departing from SM Entertainment.