A classical music choir is striking a chord with millions of Chinese white-collar workers. They say the Shanghai Rainbow Chamber Choir have set their deepest fears and heartfelt wishes to music. Cheng Lei has more on the group that's produced the new anthem for China's "overtime dogs".

Work more at the boss's order. So busy that I can't remove make-up for 18 days straight. Feeling drained and hollowed out. The music video plays right to the hearts of China's office workers. 

"The first time I got the song, it was like, 'Is this written for me?' It's totally based on my work life and says everything I wanted to say," said Liu Zheng, member of Rainbow Chamber singers.

He's not the only one the song speaks to. More than 340 million page views were recorded in the week since the song's release.

But the composer says he was hoping for a more upbeat message.

"It didn't suggest quitting your job. But it's your life after all, and there should be a balance. If the song relieves some pressure on the workers' backs, that's good enough," said Jin Chengzhi, composer & conductor of Rainbow Chamber singers.

Jin has been running the amateur Shanghai Rainbow Chamber Singers choir for more than 5 years now.

The project not only comes up with humorous hits, but also promotes traditional yet little known music styles. And the choir has been the savior of its members.

"Joining the choir makes it possible for me to escape the hectic tempo of working life. Relax and have some fun," said Liu Zheng.

And for those who can't join the choir to relax like Liu Zheng, they can still sing along as they dream of telling the boss:  No more overtime.