a' = 520
AA	  65.000 Hz
AA#	  68.232 Hz
BB	  72.750 Hz
C	  77.254 Hz
C#	  81.470 Hz
D	  86.664 Hz
D#	  90.973 Hz
E	  97.221 Hz
F	  103.360 Hz
F#	  108.875 Hz
G	  115.884 Hz
G#	  121.740 Hz
A	  130.000 Hz
A#	  136.463 Hz
B	  145.499 Hz
c	  154.508 Hz
c#	  162.940 Hz
d	  173.329 Hz
d#	  181.946 Hz
e	  194.443 Hz
f	  206.720 Hz
f#	  217.751 Hz
g	  231.768 Hz
g#	  243.481 Hz
a	  260.000 Hz
a#	  272.926 Hz
b	  290.998 Hz
c'	  309.015 Hz
c#'	  325.881 Hz
d'	  346.658 Hz
d#'	  363.892 Hz
e'	  388.885 Hz
f'	  413.440 Hz
f#'	  435.502 Hz
g'	  463.535 Hz
g#'	  486.962 Hz
a'	  520.000 Hz
a#'	  545.853 Hz
b'	  581.997 Hz
c''	  618.031 Hz
c#''	  651.762 Hz
d''	  693.315 Hz
d#''	  727.785 Hz
e''	  777.771 Hz
f''	  826.880 Hz
f#''	  871.003 Hz
g''	  927.070 Hz
g#''	  973.923 Hz
a''	  1040.000 Hz
a#''	  1091.705 Hz
b''	  1163.994 Hz
c'''	  1236.061 Hz
c#'''	  1303.524 Hz
d'''	  1386.631 Hz
d#'''	  1455.569 Hz
e'''	  1555.541 Hz
f'''	  1653.760 Hz
f#'''	  1742.007 Hz
g'''	  1854.140 Hz
g#'''	  1947.846 Hz
a'''	  2080.000 Hz