Been following this for a while now. Way before the first anouncement, even - I think devs shared some in-progress gifs on Reddit way back in the day.
If you're interested, you can try the [white label] version on Steam - It's a great demo of what the rhythm part of the game would look like, and the songs are fantastic too.
I'm really keen on playing a rhythm game with this level of presentation. Hi-Fi Rush left me thirsting for more rhythm games that have more character and impeccable style.