pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-84649-TornaASorrento_AwB.ps) >>/Users/jc/w/tmp/Tune-84649-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Italy/TornaASorrento_AwB.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-84649-TornaASorrento_AwB.abc 2168 ABC music file with the extracted tune(s)
Tune-84649-TornaASorrento_AwB.ps 49705 PostScript
Tune-84649-TornaASorrento_AwB.txt 2168 Plain-text file with the extracted tune(s)
Tune-84649-get.log 6571 Log file, useful mostly for debugging
These files should be available for 24 hours.