Did you ever test his ability to recognize pure sine waves? Ofc, each note is actually composed of ~40 frequencies at different levels (timbre). That’s why dif

Did you ever test his ability to recognize pure sine waves? Ofc, each note is actually composed of ~40 frequencies at different levels (timbre). That’s why different instruments playing the same “frequency” sound different Heard somewhere that absolute pitch folks sometimes struggle with sine waves (no timbre)