Hello, I found a problem of Midi output in 2.13.56. If you write a timpani roll like this: \repeat tremolo 4 c32\mp\< \repeat tremolo 8 c c8\!f and use unfold in midi block, The output will sound weird. The second note is already \f. This problem is very obviously when I write some long notes with a long crescendo on sustained instruments. Please compare the two midi files in this zip file, and you'll know how ugly 2.13.56 renders it. http://www.darajan2.com/douban/Haipeng/midi.zip If anyone need to observe the code, I'll send the files. Regards Haipeng
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