pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4948-Liverpool_Hornpipe.ps) >>/Users/jc/w/tmp/Tune-4948-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/hornpipe/Liverpool_Hornpipe.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Coll_49486.log 272276 Log file, useful mostly for debugging
Form_4948.log 794 Log file, useful mostly for debugging
Tune-4948-Liverpool_Hornpipe.abc 639 ABC music file with the extracted tune(s)
Tune-4948-Liverpool_Hornpipe.ps 38379 PostScript
Tune-4948-Liverpool_Hornpipe.txt 639 Plain-text file with the extracted tune(s)
Tune-4948-get.log 4440 Log file, useful mostly for debugging
Tune-49485-get.log 3106 Log file, useful mostly for debugging
Tune-49486-get.log 85224 Log file, useful mostly for debugging
These files should be available for 24 hours.