Here is the full list of all 8 PRICE achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
I'm so angry!
Part 2:P.R.I.C.E is passed
Voice part of Requiem(EnglishHorn) is unlocked.
Voice part of Requiem(Clarinet) is unlocked.
Voice part of Requiem(Recorder) is unlocked.
Part 1:E.C.I.R.P is passed
Voice part of Requiem(Pirccolo) is unlocked.
Voice part of Requiem(Iva) is unlocked.