pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4038-GlasgowHp_G3.ps) >>/Users/jc/w/tmp/Tune-4038-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/GlasgowHp_G3.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.65 512x512 PNG]
filesizedescription
Coll_40387.log 416251 Log file, useful mostly for debugging
Tune-4038-GlasgowHp_G3.abc 570 ABC music file with the extracted tune(s)
Tune-4038-GlasgowHp_G3.ps 35497 PostScript
Tune-4038-GlasgowHp_G3.txt 570 Plain-text file with the extracted tune(s)
Tune-4038-get.log 4431 Log file, useful mostly for debugging
Tune-40385-get.log 3242 Log file, useful mostly for debugging
These files should be available for 24 hours.