pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9649-North_Shore_Hornpipe-D-32-4.ps) >>/Users/jc/w/tmp/Tune-9649-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/session/hornpipe/North_Shore_Hornpipe-D-32-4.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_96498.log 4971 Log file, useful mostly for debugging
Coll_96499.log 143412 Log file, useful mostly for debugging
Form_96491.log 836 Log file, useful mostly for debugging
Tune-9649-North_Shore_Hornpipe-D-32-4.abc 625 ABC music file with the extracted tune(s)
Tune-9649-North_Shore_Hornpipe-D-32-4.ps 35818 PostScript
Tune-9649-North_Shore_Hornpipe-D-32-4.txt 625 Plain-text file with the extracted tune(s)
Tune-9649-get.log 5027 Log file, useful mostly for debugging
Tune-96491-get.log 5058 Log file, useful mostly for debugging
Tune-96492-get.log 3303 Log file, useful mostly for debugging
Tune-96496-get.log 3913 Log file, useful mostly for debugging
Tune-96497-get.log 2335 Log file, useful mostly for debugging
Tune-96499-get.log 4685 Log file, useful mostly for debugging
These files should be available for 24 hours.