pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-75012-162_Finelia.ps) >>/Users/jc/w/tmp/Tune-75012-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/JohnTreat/GftF/162_Finelia.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-75012-162_Finelia.abc 674 ABC music file with the extracted tune(s)
Tune-75012-162_Finelia.ps 33318 PostScript
Tune-75012-162_Finelia.txt 674 Plain-text file with the extracted tune(s)
Tune-75012-get.log 5114 Log file, useful mostly for debugging
These files should be available for 24 hours.