pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6693-Kate_Dalrymple.ps) >>/Users/jc/w/tmp/Tune-6693-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/Kate_Dalrymple.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_66939.log 918 Log file, useful mostly for debugging
Tune-6693-Kate_Dalrymple.abc 469 ABC music file with the extracted tune(s)
Tune-6693-Kate_Dalrymple.ps 34330 PostScript
Tune-6693-Kate_Dalrymple.txt 469 Plain-text file with the extracted tune(s)
Tune-6693-get.log 5905 Log file, useful mostly for debugging
Tune-66931-get.log 3428 Log file, useful mostly for debugging
Tune-66939-get.log 3104 Log file, useful mostly for debugging
These files should be available for 24 hours.