On 'I Know', Andy, 58, said that he had been inspired by a picture he had seen online. According to the Heavenly King, the pic featured the words: “I don’t know who you are, but I know who you’re [working hard] for”.

‘I Know’ is basically a cover of Andy's hit ‘Bridge of Love’ but this time with all-new Cantonese lyrics that illustrates the star's admiration for the heroic medical personnel who are working hard in the face of the epidemic.

On the other hand, ‘Waiting For The Wind And Rain To Pass’, which is sung by Jacky, is composed by Jay and features lyrics from his long-time collaborator Vincent Fang. Eric Tsang also lent his support in the production of the song. 

The music video, which was released today (Feb 24), features a message from Jacky at the end. “Only in the face of adversity and hardship, can humanity’s beauty and virtue shine through. I would like to express my highest respects for all the brave frontline workers, fighting against the epidemic,” the 58-year-old Heavenly King said. 

“I, Jacky Cheung, promise to practise good personal hygiene, to adopt a selfless attitude, so as to not cause trouble for everyone, and prevent the spread of the epidemic, to protect every community, every household. Everyone must return home safely, press on,” he declared.

Speaking through his music label, JVR Music, Jay, who turns 42 this year, shared that he had "received an invitation from Jacky" and that he “collaborated with Vincent to produce a song to thank the medical workers who have worked hard". 

Photos: PBE Media, Universal Music Hongkong/Facebook, Jay Chou/Instagram