pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4835-HighlandMary_1.ps) >>/Users/jc/w/tmp/Tune-4835-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/HighlandMary_1.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_48351.log 629960 Log file, useful mostly for debugging
Coll_48352.log 330814 Log file, useful mostly for debugging
Tune-4835-HighlandMary_1.abc 421 ABC music file with the extracted tune(s)
Tune-4835-HighlandMary_1.ps 35472 PostScript
Tune-4835-HighlandMary_1.txt 421 Plain-text file with the extracted tune(s)
Tune-4835-get.log 10029 Log file, useful mostly for debugging
Tune-48352-get.log 4114 Log file, useful mostly for debugging
These files should be available for 24 hours.