In September 2016, Hsiao formed the band Lion, together with Lee Q Wu, Tsou Chiang and Liu Chao-chu. They released their self-titled album on 16 September. In the same year, he appeared as one of the mentors of Zhejiang Television's Sound of My Dream, together with Yu Quan, Hebe Tien, JJ Lin and A-Mei. In 2017, Hsiao, together with his band Lion, participated in Singer 2017 and got third overall. In 2020, he later returned in I Am a Singer's eighth season (also called Singer: Year of the Hits) this time as a solo singer, and finished third. Hsiao also doubled as a host for the first two episodes until he was replaced by his Music Partner Eliza Liang, after the show announced that subsequent episodes were to be taped remotely as part of the safety measures due to the coronavirus pandemic.