found ... in doc
MIDI output is created only when a \midi block is included within a score
block defined with a \score command. If it is placed within an explicitly
instantiated score context (i.e. within a \new Score block) the file will
fail. To solve this, enclose the \new Score and the \midi
hello everybody,
I read the manual thoroughly (twice) and yet.
To do it beautifully I used \new Score, Staff, Voice stuffs, the problem
came with \with :) , the corollary was I could not found any example fitting
my case.
So I tried to put \midi{} it everywhere and failed
here is the file...