pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-22604-MagicAirtOGow_PresDay.ps) >>/Users/jc/w/tmp/Tune-22604-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/MagicAirtOGow_PresDay.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_22604.log 903 Log file, useful mostly for debugging
Tune-22604-MagicAirtOGow_PresDay.abc 626 ABC music file with the extracted tune(s)
Tune-22604-MagicAirtOGow_PresDay.ps 36920 PostScript
Tune-22604-MagicAirtOGow_PresDay.txt 626 Plain-text file with the extracted tune(s)
Tune-22604-get.log 5786 Log file, useful mostly for debugging
These files should be available for 24 hours.