pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-72835-24_the_General_Election.ps) >>/Users/jc/w/tmp/Tune-72835-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/DftY/1803/Bland_Weller/24_the_General_Election.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_72835.log 822 Log file, useful mostly for debugging
Tune-72835-24_the_General_Election.abc 954 ABC music file with the extracted tune(s)
Tune-72835-24_the_General_Election.ps 35927 PostScript
Tune-72835-24_the_General_Election.txt 954 Plain-text file with the extracted tune(s)
Tune-72835-get.log 4846 Log file, useful mostly for debugging
These files should be available for 24 hours.