pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9656-Calum_Donaldson-A-32-3.ps) >>/Users/jc/w/tmp/Tune-9656-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/Calum_Donaldson-A-32-3.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Coll_96561.log 1123115 Log file, useful mostly for debugging
Coll_96569.log 445905 Log file, useful mostly for debugging
Tune-9656-Calum_Donaldson-A-32-3.abc 740 ABC music file with the extracted tune(s)
Tune-9656-Calum_Donaldson-A-32-3.ps 38445 PostScript
Tune-9656-Calum_Donaldson-A-32-3.txt 740 Plain-text file with the extracted tune(s)
Tune-9656-get.log 4828 Log file, useful mostly for debugging
These files should be available for 24 hours.