pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4358-CollegeHornpipe_A.ps) >>/Users/jc/w/tmp/Tune-4358-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/CollegeHornpipe_A.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_43584.log 461364 Log file, useful mostly for debugging
Coll_43589.log 1187745 Log file, useful mostly for debugging
Tune-4358-CollegeHornpipe_A.abc 649 ABC music file with the extracted tune(s)
Tune-4358-CollegeHornpipe_A.ps 35989 PostScript
Tune-4358-CollegeHornpipe_A.txt 649 Plain-text file with the extracted tune(s)
Tune-4358-get.log 4578 Log file, useful mostly for debugging
Tune-43588-get.log 15960 Log file, useful mostly for debugging
Tune-43589-get.log 16671 Log file, useful mostly for debugging
These files should be available for 24 hours.