pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8078-ShropshireLass.ps) >>/Users/jc/w/tmp/Tune-8078-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/England/ShropshireLass.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_80787.log 123317 Log file, useful mostly for debugging
Tune-8078-ShropshireLass.abc 654 ABC music file with the extracted tune(s)
Tune-8078-ShropshireLass.ps 34573 PostScript
Tune-8078-ShropshireLass.txt 654 Plain-text file with the extracted tune(s)
Tune-8078-get.log 4423 Log file, useful mostly for debugging
These files should be available for 24 hours.