About pitch of A
Please inform us the most popular frequency of standard A in your country. It is important for us because we provide PPM with several different pitches. We are going show the results in this site after gathering 100 answers.
Questions marked with a * are required.
*1	Your country
*2	pitch of A in Hz	438 439 440 441 442 443 444 445 446 etc.
3	Please show the pitch in the case of "etc."