pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-99862-DrBobSmith.ps) >>/Users/jc/w/tmp/Tune-99862-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/DrBobSmith.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_99862.log 993855 Log file, useful mostly for debugging
Tune-99862-DrBobSmith.abc 465 ABC music file with the extracted tune(s)
Tune-99862-DrBobSmith.ps 35491 PostScript
Tune-99862-DrBobSmith.txt 465 Plain-text file with the extracted tune(s)
Tune-99862-get.log 4418 Log file, useful mostly for debugging
These files should be available for 24 hours.