Angklung Scale Range

Tone numbers related to the full 88 'tone piano keyboard'
C4(tone number 40) is usually described as middle C=MC
A4(tone number 49) is usually described as A = 440 Hz

for instance:
The highest 2 tubes melody angklung A6 has "piano key number 74" on 1'st tube tone,
and "piano key number 86" on 2'nd tube.
The highest 3 tubes melody angklung A6 has "piano key number 74" on 1'st tube tone,
"piano key number 74 " on 2'nd tube and "piano key number 86" on 3'rd tube.