pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3349-296.ps) >>/Users/jc/w/tmp/Tune-3349-get.log 2>&1" returned status 256
http://www.thisoldtractor.com/guzzi007/Scottish_Tome/st_abc/296.1_Wee_Todd.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_3349.log 0 Log file, useful mostly for debugging
Form_33493.log 0 Log file, useful mostly for debugging
Tune-3349-296.abc 0 ABC music file with the extracted tune(s)
Tune-3349-296.ps 0 PostScript
Tune-3349-296.txt 0 Plain-text file with the extracted tune(s)
Tune-3349-get.log 8179 Log file, useful mostly for debugging
Tune-33499-get.log 1749 Log file, useful mostly for debugging
These files should be available for 24 hours.