...doesn't currently exist.
It will turn things like this:
X:1 T:Khazad M:3/4 L:1/4 K:Am E|A>z A|G>z A/B/|A3|z2 d/e/| f>z e/d/|c>z d/e/| d2 z|c>z B|A2 z|z2|]into things like this:
Khazad::4e1,4.a1,8-,4a1,4.g1,8-,8a1,8b1,2.a1,2-,8d2,8e2 4.f2,8-,8e2,8d2,4.c2,8-,8d2,8e2 2d2,4-,4.c2,8-,4b1,2a1,4-,2-
Some resources: