pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4487-Jig_Contra80.ps) >>/Users/jc/w/tmp/Tune-4487-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Intl/FAC/Jig_Contra80.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
Form_44870.log 529 Log file, useful mostly for debugging
Tune-4487-Jig_Contra80.abc 508 ABC music file with the extracted tune(s)
Tune-4487-Jig_Contra80.ps 36237 PostScript
Tune-4487-Jig_Contra80.txt 508 Plain-text file with the extracted tune(s)
Tune-4487-get.log 4471 Log file, useful mostly for debugging
Tune-44873-get.log 2892 Log file, useful mostly for debugging
Tune-44878-get.log 2944 Log file, useful mostly for debugging
Tune-44879-get.log 304088 Log file, useful mostly for debugging
These files should be available for 24 hours.