The Metamorfosize Virtual Concert (May 2020) concluded with a special music performance by Alex Tan (Singapore) which led into a Finale involving all the artists who performed in the concert. The performance featured an original song written by Alex himself, titled "Rainbow".
The preview below shows just a small snippet towards the end of the song, which is followed by a 30-minute artist talkback. Become a member and see the whole video, including the talkback :)
Original song "Rainbow" written and performed by:
Alex Tan (Singapore)