Instrument that may have 47 strings (4)

I believe the answer is:

harp

(Other definitions for harp that I've seen before include "Talk tiresomely using upright musical instrument" , "''The ... that once through Tara's halls'' (4)" , "Large plucked instrument" , "Musical symbol" , "Instrument for angel" .)

I've seen this clue in the Universal.

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