Opening movie of Steins;Gate 0 (PS3/PS4/Vita). Song title: “Amadeus” (アマデウス). Game release date: December 10, 2015 (Japan).
Game website: http://steinsgate0.jp/
OP MP3: http://www.mediafire.com/download/kb52ap5au35rzjr/Steins%3BGate+0+PS3+PS4+Vita+OP.mp3
WACOCA: People, Life, Style.