Sound wave analysis
The Shaker Tube being the dominant is because it stretches out the longest and the loudest among the 3 different instruments. The Metallophone being the sub-dominant is because it came out only right after the shaker tube and it does not travel as far as the shaker tube. The Egg Shaker is being the sub-ordinate is because it stretches out the least. It may have shaken 3 times but it is still not as loud as the other two instrument.
Individual Mood box