Included in the 1919 Treaty of Versailles that ended the First World War was a convention establishing concert pitch as A = 435 Hz.

This bluegrass music shirt design features various hand drawn instruments and a nice smokey mountain motiff.

Size

T2, T3, T4, T5, YL, YM, YS, YXL

Color

BLACK, BLUE, WHITE, ATHLETIC HEATHER, HEATHER MAROON, RED