pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1211-Bonny_Lass.ps) >>/Users/jc/w/tmp/Tune-1211-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CCD/Bonny_Lass.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_12112.log 260446 Log file, useful mostly for debugging
Form_12116.log 827 Log file, useful mostly for debugging
Tune-1211-Bonny_Lass.abc 1309 ABC music file with the extracted tune(s)
Tune-1211-Bonny_Lass.ps 36184 PostScript
Tune-1211-Bonny_Lass.txt 1309 Plain-text file with the extracted tune(s)
Tune-1211-get.log 9638 Log file, useful mostly for debugging
Tune-12114-get.log 4005 Log file, useful mostly for debugging
Tune-12115-get.log 3520 Log file, useful mostly for debugging
These files should be available for 24 hours.