pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-61789-Alunelul.ps) >>/Users/jc/w/tmp/Tune-61789-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Romania/Alunelul.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-61789-Alunelul.abc 1486 ABC music file with the extracted tune(s)
Tune-61789-Alunelul.ps 41531 PostScript
Tune-61789-Alunelul.txt 1486 Plain-text file with the extracted tune(s)
Tune-61789-get.log 4872 Log file, useful mostly for debugging
These files should be available for 24 hours.