pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1521-Tripping_to_the_Well.ps) >>/Users/jc/w/tmp/Tune-1521-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CuzTeahan/SliabhLuachroOnParade/Tripping_to_the_Well.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_15213.log 234894 Log file, useful mostly for debugging
Tune-1521-Tripping_to_the_Well.abc 427 ABC music file with the extracted tune(s)
Tune-1521-Tripping_to_the_Well.ps 34676 PostScript
Tune-1521-Tripping_to_the_Well.txt 427 Plain-text file with the extracted tune(s)
Tune-1521-get.log 4994 Log file, useful mostly for debugging
Tune-15218-get.log 4941 Log file, useful mostly for debugging
These files should be available for 24 hours.