pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3293-Highlanders_Farewell-Am-32-4.ps) >>/Users/jc/w/tmp/Tune-3293-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/Highlanders_Farewell-Am-32-4.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_3293.log 705830 Log file, useful mostly for debugging
Coll_32933.log 1168075 Log file, useful mostly for debugging
Coll_32934.log 413590 Log file, useful mostly for debugging
Tune-3293-Highlanders_Farewell-Am-32-4.abc 723 ABC music file with the extracted tune(s)
Tune-3293-Highlanders_Farewell-Am-32-4.ps 35100 PostScript
Tune-3293-Highlanders_Farewell-Am-32-4.txt 723 Plain-text file with the extracted tune(s)
Tune-3293-get.log 4859 Log file, useful mostly for debugging
These files should be available for 24 hours.