Two titans of Mandopop have joined forces, driving fans wild.

On Wednesday (June 10), Taiwanese singer Jay Chou teased about an upcoming collaboration with Singaporean JJ Lin on Instagram.

"Which of my new songs would you like to hear from JJ Lin, the walking CD? Stay tuned tomorrow at noon!" he wrote.

According to CNA, 45-year-old JJ had previously hummed a snippet of a song by Jay, 47, leading fans to believe the duo were up to something.