'The concert grand harp has this many strings, 3 more than half the number of keys on a piano'
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THE HARP: The concert grand harp has this many strings, 3 more than half the number of keys on a piano
The concert grand harp has this many strings, 3 more than half the number of keys on a piano
The concert grand harp has this many strings, 3 more than half the number of keys on a piano
THE HARP
47
THE HARP