pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3757-Gows_Quickstep_SS-D-32-3.ps) >>/Users/jc/w/tmp/Tune-3757-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/abc/Scotland/reel/Gows_Quickstep_SS-D-32-3.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
Form_37572.log 903 Log file, useful mostly for debugging
Form_37578.log 849 Log file, useful mostly for debugging
Tune-3757-Gows_Quickstep_SS-D-32-3.abc 0 ABC music file with the extracted tune(s)
Tune-3757-Gows_Quickstep_SS-D-32-3.ps 0 PostScript
Tune-3757-Gows_Quickstep_SS-D-32-3.txt 0 Plain-text file with the extracted tune(s)
Tune-3757-get.log 0 Log file, useful mostly for debugging
Tune-37571-get.log 0 Log file, useful mostly for debugging
Tune-37575-get.log 4490 Log file, useful mostly for debugging
Tune-37577-get.log 4253 Log file, useful mostly for debugging
Tune-37578-get.log 2999 Log file, useful mostly for debugging
These files should be available for 24 hours.