How to pull the song link from the VK audio page?

Question

Parsing

The bottom line is this: The music API in VK was closed, I want to write my own parser that will pull out all the data about audio recordings on my page. But the problem is that I can't seem to find a link to the mp3 file itself. Maybe someone has ideas? Here is a screenshot of the markup for one entry:
And here is the link I found in the developer tools in the network tab:

https://cs1-38v4.vk-cdn.net/p9/812d4f95c7b1e1.mp3?extra=-KS6AS8pY9FdIc7ICwS55DpegdGDwf95Ak_vNYY8J4G-H4gn71bzBD8ejVEFTkSIk_6FvkAgAAa9s-XnlVeS_TDgbXaC191a1RiC_Upgv4uaB5qb-U8k4loT3PXFIknq-Fo3yQSr8pFW

Answer 1

There have been similar questions recently.
Maybe it will help - once or twice .

Answer 2

Pretend to be an official application for vk, 100% works. You can also look at such a thing as vk-cli, local developers have also solved this problem. I suspect they just followed the advice above.