How to connect search by audio VK?

Question

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Hello!
How to get a list of audio from VKontakte when searching on my site. The audio.search parameter.
As I understand it:
1. Opening the OAuth authorization dialog????
And how to bypass it? Why is it impossible to search without authorization?
After all, it doesn’t work if people pop up a window asking them to log in. It is necessary for them to work search and without authorization. Maybe there is some way to bypass this step, or covertly authorize them or my account? Also, the time of the key is limited.
2. We receive access_token
It is possible without the first point?
3. The request itself
Help me figure it out, maybe I'm stupid ...

Answer 1

As an option, create an account that will be automatically authorized in VK and then the user does not need to enter a username and password. But I don’t know exactly how the contact’s API works and how long authorization lasts there, maybe you will be thrown out after X minutes and the search will turn off. Maybe someone knows for sure and can answer.

Answer 2

Plus to the option to create an account, get an access-token with the non-fading option and use it.