Fish Hoek, Dutch Reformed Church Hum Prime Tierce Quint Nominal Superquint Double Octave Diameter Height Thickness Freq Note Dev Freq Note Dev Freq Note Dev Freq Note Dev Freq Note Dev Freq Note Dev Freq Note Dev 93 63 5.7 131 C0 2 229.5 Bb0 -26 327.5 E1 -11 427 Ab1 48 525 C2 5 766.5 G2 -39 1083.5 Db3 -39