pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5331-CousinJim_F.ps) >>/Users/jc/w/tmp/Tune-5331-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/CousinJim_F.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_53311.log 282928 Log file, useful mostly for debugging
Coll_53312.log 1050055 Log file, useful mostly for debugging
Tune-5331-CousinJim_F.abc 546 ABC music file with the extracted tune(s)
Tune-5331-CousinJim_F.ps 35121 PostScript
Tune-5331-CousinJim_F.txt 546 Plain-text file with the extracted tune(s)
Tune-5331-get.log 4418 Log file, useful mostly for debugging
Tune-53311-get.log 4323 Log file, useful mostly for debugging
These files should be available for 24 hours.