HIERARCHIES
\hˈa͡ɪ͡əɹɑːkɪz], \hˈaɪəɹɑːkɪz], \h_ˈaɪə_ɹ_ɑː_k_ɪ_z]\
Definitions of HIERARCHIES
Word of the day
international pitch
- the pitch used to tune instruments for concert performances; usually assigns 440 Hz A above middle C