The concert grand pedal harp has how many strings and how many pedals?

Question

BlackTom AI · Accepted Answer

The question asks about the concert grand pedal harp and its characteristic specifications.
Option 1: '88 and 3' — This combination is typical of a piano (88 keys/strings) and a three-pedal setup, not a pedal harp. A harp does not have 88 strings like a piano, so this is inaccurate for a concert grand pedal harp.
Option 2: '26 and 6' — A harp with 26 strings would be unusually light for a concert grand instrument, and having 6 pedals is not the standard configuration for a concert grand pedal harp; standard festooned pedal hydraulics typically number 7 pedals on professional concert instruments.
Option 3: '37 and 2' — While 37 strings would be plausible for a smaller or different type of harp, most concert grand pedal harps exceed this string count, and 2 pedals is an uncommon configuration for a high-end concert instrument.
Option 4: '47 and 7' — This aligns with the widely recognized specification of a concert grand pedal harp: about 47 strings and a set of 7 pedals used to raise or lower pitch names across the full range of notes. The 7-pedal system is the standard mechanism enabling extensive chromatic changes across the keyboard range.
In summary, the incorrect options either mismap to other instruments (like a piano), or propose nonstandard string counts or pedal counts for a concert grand pedal harp, whereas 47 strings with 7 pedals correctly describes the instrument in question.

The concert grand pedal harp has how many strings and how many pedals?单项选择题

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