Sinfonia Concertante in C major T.289 No.4 (3) Johann Christian Bach Download 'Sinfonia Concertante in C major T.289 No.4 (3)' on iTunes
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How do you make a piano? We go behind the scenes at Steinway to find out...
The rim of each Steinway grand includes 18 layers of maple – each layer is seven metres long and must be flawless.