pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6266-20591-Favorite_Pollacca-V1.ps) >>/Users/jc/w/tmp/Tune-6266-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/ERM/20591-Favorite_Pollacca-V1.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Form_62660.log 1000 Log file, useful mostly for debugging
Form_62661.log 960 Log file, useful mostly for debugging
Form_62663.log 1006 Log file, useful mostly for debugging
Tune-6266-20591-Favorite_Pollacca-V1.abc 1075 ABC music file with the extracted tune(s)
Tune-6266-20591-Favorite_Pollacca-V1.ps 42955 PostScript
Tune-6266-20591-Favorite_Pollacca-V1.txt 1075 Plain-text file with the extracted tune(s)
Tune-6266-get.log 4790 Log file, useful mostly for debugging
Tune-62660-get.log 44778 Log file, useful mostly for debugging
Tune-62662-get.log 10799 Log file, useful mostly for debugging
Tune-62666-get.log 5298 Log file, useful mostly for debugging
These files should be available for 24 hours.