古筝双手练习2每天一遍，破解双手难点，秦人古筝在线网课，实时连线模式，网络现场互动

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VIDEOS
MP4	N/A	480P	Download
MP4	N/A	360P	Download
AUDIO
MP4	N/A	mp4a.40.2	Download
MP4	N/A	mp4a.40.2	Download
THUMBNAILS
	JPEG	Origin Image	Download