15 Two-part Inventions, BWV 772/786 - No. 4 in D Minor, BWV 775 (2声のインヴェンション BWV772-786: 第4番ニ短調|15 Two-part Inventions, BWV 772/786: 　　　　　ニ|바흐: 15곡의 인벤션: 4번 라단조, BWV 775)-Janine Jansen