Left and right are relative to the actual political spectrum of the subject. There are different approaches to anticapitalism, centrist on the left-wing wants to implement social politics to improve welfare, this doesn't make it socialists.
I suppose you are both referring to USA politics: it seems clear that dems contains many different souls but I wouldn't call AOC or Sanders right-wing, even here in Europe where we actually have real left.
The flatpak version is a little tricky to setup (directories) so I suggest you to use the distro pkg.
"Unfa"on youtube has great tutorials. Ask me if you need something specifically.
Ardour is great, I suggest you to learn it even if you want to use some other proprietary ones, since it has an useful tool for fast mastering with setting optimized for social platforms. I also suggest you to use great floss plugins like SurgeXT, LSP-Plugins and Geonkick.
Communism wants to achieve anarchy.