pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-62731-Mattinata_CD.ps) >>/Users/jc/w/tmp/Tune-62731-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Italy/Mattinata_CD.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_62731.log 277305 Log file, useful mostly for debugging
Tune-62731-Mattinata_CD.abc 1636 ABC music file with the extracted tune(s)
Tune-62731-Mattinata_CD.ps 44815 PostScript
Tune-62731-Mattinata_CD.txt 1636 Plain-text file with the extracted tune(s)
Tune-62731-get.log 5764 Log file, useful mostly for debugging
These files should be available for 24 hours.