pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-70678-SleepingWarrior.ps) >>/Users/jc/w/tmp/Tune-70678-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/SleepingWarrior.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_70678.log 275119 Log file, useful mostly for debugging
Tune-70678-SleepingWarrior.abc 449 ABC music file with the extracted tune(s)
Tune-70678-SleepingWarrior.ps 34979 PostScript
Tune-70678-SleepingWarrior.txt 449 Plain-text file with the extracted tune(s)
Tune-70678-get.log 4240 Log file, useful mostly for debugging
These files should be available for 24 hours.