pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7725-2011-Caledonian_Hunts_Delight.ps) >>/Users/jc/w/tmp/Tune-7725-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CSR/2011-Caledonian_Hunts_Delight.abc1.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_77254.log 450009 Log file, useful mostly for debugging
Coll_77255.log 715218 Log file, useful mostly for debugging
Tune-7725-2011-Caledonian_Hunts_Delight.abc 951 ABC music file with the extracted tune(s)
Tune-7725-2011-Caledonian_Hunts_Delight.ps 39064 PostScript
Tune-7725-2011-Caledonian_Hunts_Delight.txt 951 Plain-text file with the extracted tune(s)
Tune-7725-get.log 5109 Log file, useful mostly for debugging
Tune-77253-get.log 4705 Log file, useful mostly for debugging
Tune-77254-get.log 3384 Log file, useful mostly for debugging
Tune-77257-get.log 3516 Log file, useful mostly for debugging
Tune-77258-get.log 1388 Log file, useful mostly for debugging
These files should be available for 24 hours.