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The main thing is probably the reference to the Swan's lake which has traditionally (for many, many decades) been used to replace tv programs whenever a top official died while the succession was sorted out. That was to make sure nobody would say anything out of line.
So asking for the ballet is asking for putin to be replaced, which is obviously bad.

Hey, I’ll do my best, here is my take;

I'd like to talk to you, But the TV is too loud— It's pretending to be your head, Its speaker is so much like your mouth.

Someone feeling frustration over wanting to talk about things but the person can’t hear them because they only listen to and regurgitate what the TV (main stream media or government controlled media) wants them to say.

My country has risen from its knees In all its negative growth. I negatively agree with everything— Here's my answer to your non-question:

We were getting back up after the fall of the USSR when everything fell apart and cratered. I don’t agree with what is going on, even though you didn’t ask I am going to tell you how I feel about all this anyway.

Where have you been for eight years, Fucking inhuman beings?! I want to watch the ballet— Let the swans dance!

This has been going on for 8 years now and you have turned a blind eye to it. I want to watch Swan Lake again at the ballet (referencing Russia’s primary artistic exports historically is ballet, of which Swan Lake is one of the most popular/wellknown)

Let Grandpa tremble in fear for his "Lake." Get the nightingales off the screen— Let the swans dance!

Not entirely sure what this is referring to, my best guess is juxtaposing story elements of Swan Lake to current political happenings in Russia, ie comparing Putin to a grandpa and lake may be ambiguous as a reference to Swan Lake and Putin’s lakeside palace.

When it's all over, you'll be silent And pretend you had nothing to do with it. Your face is more sour than a Crimean cherry plum: You're clearly slightly depressed about something.

When we, or future generations, fix this you are just going to pretend you had nothing to do with it, you’re a liar, like the lies they tell us about why we have the right to invade Crimea in Ukraine to justify our war with an innocent country. You know it is wrong but you keep lying to yourself about why.

I'd like to talk to you, But the TV is too loud— It's pretending to be your head, Its speaker is so much like your mouth.

Repeat of the first verse; Someone feeling frustration over wanting to talk about things but the person can’t hear them because they only listen to and regurgitate what the TV (main stream media or government controlled media) wants them to say.

Where have you been for eight years, Fucking monsters?! I want to watch a ballet— Let the swans dance!

Repeat of the second verse but changing “Fucking inhuman monsters” to “fucking monsters”

Let Grandpa tremble for his "Lake."

Repeat of the first line in the fourth verse but changing fear to tremble, again most likely referencing Putin and him willing to sacrifice the people of Russia in order to keep his extreme wealth and lake side palace.

Get off the screen, Solovyov— Let the swans dance!

Solovyov is a famous TV presenter in Russia, which I believe the speaker believes, or is inferring, is a government shill or otherwise bought off to only report what Putin wants him to report. So they are demanding Solovyov be removed from TV and to give the people back their freedom (swans dancing)

Hope that helped if you were being sincere about needing assistence to understand it. I have ADHD myself and have several friends with both ADHD and learning disabilities (they are co-morbidities of ADHD) so I can understand the frustration.

So, some of this is a bit of deep cut of Russian history, which is probably contributing to your confusion.