pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1071-1808_Goulding.ps) >>/Users/jc/w/tmp/Tune-1071-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/dfty/1808_Goulding.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_1071.log 294165 Log file, useful mostly for debugging
Coll_10710.log 574280 Log file, useful mostly for debugging
Coll_10712.log 273090 Log file, useful mostly for debugging
Tune-1071-1808_Goulding.abc 22084 ABC music file with the extracted tune(s)
Tune-1071-1808_Goulding.ps 133529 PostScript
Tune-1071-1808_Goulding.txt 22084 Plain-text file with the extracted tune(s)
Tune-1071-get.log 18231 Log file, useful mostly for debugging
These files should be available for 24 hours.