เพิ่มเมื่อ: 2018-05-05 23:04:05.0
 แก้ไขล่าสุด: 2023-02-02 12:10:38.0
		                        	Bach�s �Goldberg Variations� have remained a challenge for every harpsichord player and pianist to the present day. One special problem with performances on a modern piano is that Bach wrote this work for a two-manual harpsichord.
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