Federation Commander - "Alright lets look at you're resume here... It says here you exterminated an entire species in just over an hour. Are you being serious, Samus?"
It's a Sector 4 remix from metroid fusion. It's called Wonderwave. Link: [4:02:47] ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-2TYlclnfIZA.html&si=Ek1bpesVV9uC4KzG
Am2r is more faithful to the original compared to Samus Returns. Basically AM2R is nowhere near identical and that goes for basically everything else about the game.
You might be running on version 1.1 or 1.5. The latest version is 1.5.5 with its own Launcher which you can get on the AM2R subreddit. For further help there's always the Official AM2R Disocrd.
It's called a door zip. By walljumping off it right when it opens the game bugs out and teleports you to the other side. I'm not really that good at explaining it but that's the jist of things.