diff --git a/README.md b/README.md
index 7812670..02c5917 100644
--- a/README.md
+++ b/README.md
@@ -1579,7 +1579,7 @@ S2 = '59♪,61,,62♪,61,,62,,59,,61♪,59,,61,,57,,59♪,57,,59,,55,,59♪,,,'
 get_pause = lambda seconds: repeat(0, int(seconds * F))
 sin_f     = lambda i, hz: math.sin(i * 2 * math.pi * hz / F)
 get_wave  = lambda hz, seconds: (sin_f(i, hz) for i in range(int(seconds * F)))
-get_hz    = lambda n: round(16.352 * 2 ** (int(n) / 12))
+get_hz    = lambda n: 16.352 * 2 ** (int(n) / 12)
 parse_n   = lambda note: (get_hz(note[:2]), 0.25 if len(note) > 2 else 0.125)
 get_note  = lambda note: get_wave(*parse_n(note)) if note else get_pause(0.125)
 samples_f = chain.from_iterable(get_note(n) for n in f'{S1}{S1}{S2}'.split(','))