It is possible to improve your recognition of pitch and many systems doing this use the changing sound or colour of a note to appreciate when it is tune. It is worth exploring.
Absolutely perfect pitch is somethign different and many work oon a natural talent to be able to name and shape notes and chords. Perfect pitch diminishes with age!
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AJ Lucas Pavilion Sweep fan fret
Santa Cruz OM/E (European Pre War)
Martin J40
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