2013–2014, Appearance on Duets, The Song

In 2013, Hsiao assumed the role of a mentor in Beijing Television, BTV's singing competition reality show Duets alongside another three mentors. One of his students, Xiao Yi Hang won first place after three months of competition and was subsequently signed with his record label company, Warner Music Ltd. He reprised his role as a mentor on the Season 2 of Duets.

In June 2014, Hsiao released his sixth album, The Song. He composed six out of ten songs in this album and was also the album producer. He specially engaged a dance instructor from Korea to choreograph his dance for the song "Kiss Me" and was reported to have learned it via a video recording in just two days. The song "Kelly" was chosen as the end track for the Korean drama "You Who Came From The Stars" which was aired in Taiwan in May. "The Song" was also selected to be the closing song for thirteen Shin Kong Mitsukoshi malls in Taiwan, which will be played just before the malls close starting on 1 July. In conjunction with the 2014 Brazil World Cup, Jam Hsiao became the World Cup Ambassador for Taiwan and his song "Let Go" was also featured as the closing song during the World Cup telecast in Taiwan.