Yes, they're even featured in the PS3 opening (The music is so great, I reccomend it) as well as any other VNs (Never7, Ever17, 11Eyes, Dunamis15, and others)
You know, I've heard a lot of theories that the numbers said in the song were longitude coordinates but I don't think so. Personally I think what she's saying is eins, zwei, zwanzigste, est. Which would directly translate to: one, two, twentieth, est, which indicates a time not a place. I think what she is saying is one, two, 20th, EST as in Eastern Standard Time, although I'm not sure what the one and two would stand for.
yeah album only, all the umi songs i've translated on my channel are from the albums. i just used to listen a lot of umineko albums and besides the songs being bangers, they have lyrics i think more people deserve to understand since they're directly inspired by/about umineko. :') it was on this album alongside one of the PS3 games' openings -> 07th-expansion.fandom.com/wiki/Senkyou_no_Igr%C4%93ja_/_KOKOMI_(Asriel)