-difficulty level (the higher the score the harder it is to play well and march while doing so): 2
-weight (the higher the score the heavier or more awkward it is to hold and play while marching): 2
-competition level (the lower the score the higher demand of instrument players): 0
Total score: 4
You can tell just by looking at it that the tuba is one of the hardest brass instruments to play, much less while marching and staying in line with the band. Props to those who do.