pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-98316-NewColl44Cot1.ps) >>/Users/jc/w/tmp/Tune-98316-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gallini/NewColl44Cot/NewColl44Cot1.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
Tune-98316-NewColl44Cot1.abc 99611 ABC music file with the extracted tune(s)
Tune-98316-NewColl44Cot1.ps 634315 PostScript
Tune-98316-NewColl44Cot1.txt 99611 Plain-text file with the extracted tune(s)
Tune-98316-get.log 34907 Log file, useful mostly for debugging
These files should be available for 24 hours.