Tsukasa Ohmae, ume and Lamanya seemed so immediately evident I thought there was a possibility it was an imposter trying to fake their style. I switched to the wrong artist for Sagittarius multiple times because of this. The potential imposters I had considered for the other two were MiKaDo for Pisces and Juka_Box as Aquarius, however it never struck me as likely enough to switch my guess.

oratoruk and 69 de 74 stuck out to me as identifiable, but also sounded like they were trying to do something somewhat different than usual so I never seriously considered other artists. I did at one point think Capricorn could have been Roise maybe.

LLRK I figured out based on mixing style, but amusingly the reason I first considered them is because I thought the illustration was also by them, which it wasn't. Initially I thought it was probably TaW or Sirui.

I didn't really have any clue for the others. At some point I got Cancer right by using the hints but was convinced I was still wrong on it. For a while I thought Aries had to be Tiv. Even after the full name reveals I don't think I would have ever guessed it was Roise. I don't think I could have guessed Gemini either.

After the "." appeared in the hints, I was really confident that Cancer was SKY., but that was wrong. I also thought uet and nekomimi_STRaw as Virgo were good guesses but neither matched. I guessed nekomimi_STRaw after the hints were active as a sort of desperate guess, I couldn't think of anybody likely with ろ in their name and he went by "すとろ～" in the past so I thought "maybe they're using uncommon names to be obfuscating???"

After the first hint I was struggling to think of anybody in the community with a capital A in their artist name, I had forgotten about AGOCHU who generally only shows up to participate in "BMSをたくさん作るぜ" and such. I tried guessing DJ ARASHI in places multiple times.

At some point it became apparent people were organizing their detective work in a Discord server somewhere. This was a little frustrating to me because I had no idea where that was. I wished there was an official server for discussing the event (I wasn't able to find one).

I wasn't sure whether or not the artist identities matched their actual real life Zodiac signs, but it seems like that was the case. (It's possible this was confirmed somewhere and I missed it?) I remember initially thinking TaW was possibly the one who made the Taurus track, but being unsure because the birthday wouldn't match up. Overall I just ended up making guesses as if the signs and artists were unrelated. To begin with, the amount of birthdays I remember is extremely low (I know spine's is on the same day as mine, I know Emelia's, and I remember TaW, Tsukasa Ohmae and kooridori have the same birthdate but I don't remember what the actual date is. Somewhere in November?)

...Despite everything I still haven't actually found time to play any of the BMS from the package.