Bass Viol		Select pitch of "a"	String length in cm (Range 60 - 80)
String	Frequency(Hz)	Tension(kg) Range (5 - 10)	Diameter(mm)
d-1	293.66
a-2	220.00
e-3	164.81
c-4	130.81
G-5	98.00
D-6	73.42
A-7	55.00