What can singing mice say about human speech?

And if you read the article there is no link to audio of them singing. Google has lots of very similar articles, with no singing. YouTube has videos of them with no singing. Wikipedia has a tiny excerpt of them singing a bit.

Infuriating! First they tell you this mouse sings, then don't let you hear it???

Finally:

https://youtu.be/eNc1PI4PkG0?si=LWCLU7AlXxqhM5pX

I didn't find a duet like the article suggested