As the father comes before the son, commentary on (b), then (a):

I love how russian artists support their local scene, eg Emin on the piano and Pirozhkov on a pony. (looks like the ones I don't recognise were KVN players?)

Timati's got some good lines, eg:

Ya vsegda ekstrafresh kak vladelets khimchistki
Moy otbelennyy kesh ne popadayet pod riski

and

Odna strochka po TsB ravna barrelyu nefti
Zaklyuchayu kontrakty s Gazpromom v kazhdom kuplete

but I still prefer MC Doni's tri-scriptal:

Я нашёл себя и меня нашли
إن شاء الله или c'est la vie

Now to Sakha (where the population seems just about to recover to its late-Soviet peak):

Looks like tourism[0] may be a better bet[1] than mucking out cowsheds: https://www.youtube.com/watch?v=2ob5B3Tqm7A&t=103s

That's especially true because land tenure in the RF doesn't include subsoil (and therefore mineral) rights.

0:29 after hearing so much about metaphorical vatniks, here's a literal quilted jacket?

(Timati's line is that cash sticks to intellectuals; here it's to the cow shed)

1:17 the cow shed is fresh because even european cows are comfortable at a lower temperature range than humans, and the Yakut cow is especially cold-adapted[2]

1:20 pretty sure the steaming has been exaggerated for comic effect — no, wait, that's not steaming, that's probably smudging against the insects. I once asked a colleague who was telling Siberia stories why they didn't do their fieldwork in summer, and they quickly answered: "mud and mosquitos"

1:22 didn't HN discuss blackhouses?[3] this line provides a reason they may have been more popular than "white houses" before screens, or at least glass windows, were cheap and widespread.

1:51 tripod goblets make sense for steppe nomads — circular feet on stemware are pretty unstable until one has cheap and widespread flat tabletops?

how early is attestation for this style of jacket? put a bolo tie on and you could almost go line dancing in that (although the sleeves are more reminiscent of a "Mutz")...

1:54 this seems like a decent design for a cow shed — the slop should wind up in the grabens allowing the cows to stand with relatively dry hooves on the horsts?

2:36 sounds like https://en.wikipedia.org/wiki/Sakha_cuisine#/media/File:Kier... (cream, berries, and sugar)

2:55 sweet ride; I wonder if they have any double-height tallboy[4] customs there?

3:16 haystacks used to be built in rain-shedding shapes; plastic tarps have been a super useful invention here

Lagniappe: https://www.youtube.com/watch?v=v2g8ZrJa1ls

[0] in other unexpected side content, the Rubberbandits guide to 1916: https://www.youtube.com/watch?v=yvKTG8pE_70

it's 3/4 of an hour, so it'll be some time before I get around to it, but I am curious if they go into any more detail than a Michael Collins biography I'd read about how the Republicans had not only had access to, but even been altering the paper files in, the Black & Tans' archives.

[1] how come only the elementary school student knows about the diamond pipes?

[2] https://en.wikipedia.org/wiki/Yakutian_cattle#Description

[3] https://en.wikipedia.org/wiki/Blackhouse#Description

[4] eg https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRhDfDd...