You probably can't hear anything above 15 kHz. Nevertheless, it makes an audible difference in the range you can hear. Cymbals provide approximately 40% of their energy above 20 kHz. The violin and oboe provide substantial musical energy above 40 kHz and the triangle puts out substantial musical energy at 100 kHz.

Enjoy the Music. Trust your ears. Laugh at Folks Who Claim to Know it All.