perfect pitch
noun /ˌpɜːfɪkt ˈpɪtʃ/
/ˌpɜːrfɪkt ˈpɪtʃ/
[uncountable] (music)- the ability to identify or sing a musical note correctly without the help of an instrument
- Having perfect pitch means that I can hear a note and tell you that it's a G, or a B flat or whatever.