Only ardent music historians know the difference between a portative organ, a small medieval instrument on which only a single melodic line could be played, and a positive organ, a larger device from ...
Only ardent music historians know the difference between a portative organ, a small medieval instrument on which only a single melodic line could be played, and a positive organ, a larger device from ...
With four generations of pipe organ builders in his lineage, Adam Dieffenbach, of Harleysville, is no exception to the family rule. As service and project manager for C.M. Walsh Pipe Organs in ...
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