Rough mixes and alternate versions that peel back the curtain on the final product. The Atelier Firis Rare Tracks CD is a 2016 bonus disc for Vita and PS4, and it's basically a behind-the-scenes look at the composing process.
Read more
"Shisshou (Rough Ver.)" and "Tabisuru Koubou (Rough Ver.)" let you hear tracks before they got polished, rawer edges and all. "Rabbit & Crow (Electro Ver.)" takes a track from the main OST and flips it into something completely different.
"Yasashii Tasogare (Long Journey Ver.)" stretches out into this extended mood piece that the final cut trimmed down. Only ten tracks but each one recontextualizes something from the main soundtrack. If you already love Firis and want to hear the songs before they got their final coat of paint.