a' = 520 AA 65.000 Hz AA# 68.825 Hz BB 72.876 Hz C 77.165 Hz C# 81.706 Hz D 86.514 Hz D# 91.924 Hz E 97.334 Hz F 103.062 Hz F# 109.127 Hz G 115.550 Hz G# 122.350 Hz A 130.000 Hz A# 137.651 Hz B 145.752 Hz c 154.329 Hz c# 163.412 Hz d 173.029 Hz d# 183.848 Hz e 194.667 Hz f 206.124 Hz f# 218.255 Hz g 231.099 Hz g# 244.700 Hz a 260.000 Hz a# 275.301 Hz b 291.503 Hz c' 308.659 Hz c#' 326.823 Hz d' 346.057 Hz d#' 367.696 Hz e' 389.335 Hz f' 412.248 Hz f#' 436.509 Hz g' 462.198 Hz g#' 489.399 Hz a' 520.000 Hz a#' 550.603 Hz b' 583.006 Hz c'' 617.317 Hz c#'' 653.647 Hz d'' 692.115 Hz d#'' 735.391 Hz e'' 778.670 Hz f'' 824.495 Hz f#'' 873.018 Hz g'' 924.396 Hz g#'' 978.798 Hz a'' 1040.000 Hz a#'' 1101.205 Hz b'' 1166.013 Hz c''' 1234.634 Hz c#''' 1307.294 Hz d''' 1384.230 Hz d#''' 1470.782 Hz e''' 1557.340 Hz f''' 1648.991 Hz f#''' 1746.036 Hz g''' 1848.793 Hz g#''' 1957.597 Hz a''' 2080.000 Hz