Yes, it was set to an old working song tune.

是的，已经配上一支老的劳动歌曲的调子。

youdao

The women breathed in fumes and smoke that contained nanoparticles while working in the factory, Song said.

宋医生说，那些妇女在工厂工作的时候，吸入了含有纳米颗粒的烟雾。

youdao

For rages you are working with colour and song, yet your heaven is not built, but only its sad suggestion.

你累年积代地用颜色和诗歌来工作，但是你的天堂还没有盖起，仅有天堂的愁苦的意味。

youdao

He began working on the song "Cherokee."

VOA: special.2009.05.03

In this version the Sway Machinery backs up Arby's voice. (Speaking) Arby says the song is about working together in peace on the land, working together in understanding.

VOA: standard.2010.02.25

He said he was at a youth club working on a song and went to the park later that evening.

BBC: Girl rape accused was in Jubilee Park 'composing music'

And he sat there--the night before we got hit by the IED, we were actually working on a song he was going to teach me.

NPR: Remembering Army Pfc. Kenneth Zeigler

My guess is they are likely very busy recording next song or working on their next movie sixteen hours a day and barely have enough time to eat and shower!

FORBES: Why Mark Zuckerberg Is The Heir To Steve Jobs' Legacy