原文: J.S. Bach Flute Sonatas - Volume 2. Sonata - Bwv 1020 In G Minor. Sonata - Bwv 1031 In Eb Major. Johann Sebastian Bach.
翻訳: The origin of BWV 1020, 1031, and 1035 is more difficult to ascertain, and is still the subject of some debate. ヨハン·セバスチャン·バッハ. 高度な.