My website now provides some musics used in Violent Witch: international.
You guys can download and use the free musics for your games.
http://saizwong.web.fc2.com/mainpage_eng.html
List
・Wizard under the moonlight (from VW: Int)
・Icy Performance (from VW: Int)
・Noise conductor Ver. β(from VW: Int)
・Unpleasant gift (from VW: Int)
・Second mother (from VW: Int)
・Silver Corridor (from VW: int)
・Inbound(from VW: Int)
・The road of Reincarnation (from VW: Int)
・Inn (from VW and SV)
More musics may be added later.