Thank you for this song--it's joyous, and poppy without being superficial.

The late Taiwanese singer / songwriter Koumis is one of my favorites. Her main hit is reminiscent of "Good Day," though somewhat bittersweet: https://youtu.be/pEQIJlWdcJM

She has many performances on YouTube (mostly at coffe shops and shopping malls). The following is my favorite. Alas I don't know Chinese, but the emotion shines through: https://youtu.be/HPaNhn3o_qw