https://www.engadget.com/2013-06-23-sega-breaks-out-something-called-project-575-with-new-trailers.html
Sega breaks out something called 'Project 575' with new trailers
Jun 23, 2013 - Sega is launching a new something called Project 575. We assume it's a new game, since that's Sega's thing, but initial Japanese trailers leave a lot to...
project 575segabreakssomethingcalled
https://www.siliconera.com/fancy-music-like-project-diva-youll-like-segas-project-575/
Fancy More Music Like Project Diva? You'll Like Sega's Project 575. - Siliconera
Nov 11, 2013 - 575's story follows leads Azuki and Matcha, who lead normal, everyday school lives. That is, until one day Azuki stares at a riverside willow, and being deeply...
more musiclike project