pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-70174-FourPosterBed_D.ps) >>/Users/jc/w/tmp/Tune-70174-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/FourPosterBed_D.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
Tune-70174-FourPosterBed_D.abc 657 ABC music file with the extracted tune(s)
Tune-70174-FourPosterBed_D.ps 36611 PostScript
Tune-70174-FourPosterBed_D.txt 657 Plain-text file with the extracted tune(s)
Tune-70174-get.log 5097 Log file, useful mostly for debugging
These files should be available for 24 hours.