pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4178-Lass_of_Killakranky.ps) >>/Users/jc/w/tmp/Tune-4178-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CuzTeahan/SliabhLuachroOnParade/Lass_of_Killakranky.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_4178.log 266066 Log file, useful mostly for debugging
Coll_41787.log 405945 Log file, useful mostly for debugging
Tune-4178-Lass_of_Killakranky.abc 391 ABC music file with the extracted tune(s)
Tune-4178-Lass_of_Killakranky.ps 33387 PostScript
Tune-4178-Lass_of_Killakranky.txt 391 Plain-text file with the extracted tune(s)
Tune-4178-get.log 4819 Log file, useful mostly for debugging
Tune-41780-get.log 5950 Log file, useful mostly for debugging
Tune-41785-get.log 5296 Log file, useful mostly for debugging
Tune-41787-get.log 5840 Log file, useful mostly for debugging
These files should be available for 24 hours.