pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-78646-MutualLove.ps) >>/Users/jc/w/tmp/Tune-78646-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/england/MutualLove.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-78646-4064_Arniston_House.abc 1178 ABC music file with the extracted tune(s)
Tune-78646-4064_Arniston_House.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-78646-4064_Arniston_House.ps 41964 PostScript
Tune-78646-4064_Arniston_House.txt 1178 Plain-text file with the extracted tune(s)
Tune-78646-MutualLove.abc 843 ABC music file with the extracted tune(s)
Tune-78646-MutualLove.ps 39752 PostScript
Tune-78646-MutualLove.txt 843 Plain-text file with the extracted tune(s)
Tune-78646-get.log 13784 Log file, useful mostly for debugging
These files should be available for 24 hours.