The secret of absolute pitch
What Ludwig van Beethoven has in common, Barbara Streisand, Jimi Hendrix e Pippo Baudo? You could add to this list several other more or less known names, who have discovered to possess this feature more or less by chance. We are talking about "perfect pitch", that is, the ability to recognize exactly the frequency of a musical note without any kind of reference. For these people, recognizing a note is as natural as the recognizing a color. Absolute pitch is a mysterious gift and causes wonder and questions: what does this feature depend on?? Is it an innate or acquired ability? [...]