pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-37739-20401_Downfall_of_Paris.ps) >>/Users/jc/w/tmp/Tune-37739-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EliasHowe/MusiciansCompanionP2/20401_Downfall_of_Paris.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_37739.log 259041 Log file, useful mostly for debugging
Tune-37739-20401_Downfall_of_Paris.abc 1089 ABC music file with the extracted tune(s)
Tune-37739-20401_Downfall_of_Paris.ps 42526 PostScript
Tune-37739-20401_Downfall_of_Paris.txt 1089 Plain-text file with the extracted tune(s)
Tune-37739-get.log 4918 Log file, useful mostly for debugging
These files should be available for 24 hours.