Degree Of Freedom

ƒ = 59

drumsdr = 5 drums + 1 hihat + 2 cymbles + 2 bells + 2 brushes + 1 plastic = 13
t = tempo = 1
r = rhythm = 2
l = accents/loudness = 1
ƒ drums = dr + t + r + l = 13 + 1 + 2 + 1 = 17
bass guitarb = 4 strings with 24 frets = 38
t = tempo = 1
r = rhythm = 2
rt = root = 1
k = key = 1
l = accents/loudness = 1
ƒ bass = b + t+ r + rt + k + l = 38 + 1 + 2 + 1 + 1 + 1 = 44
group ƒ group = ƒ drums + ƒ bass – (common t + r) = 17 + 44 – 2 = 59