pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5118-SprigOfIvy1.ps) >>/Users/jc/w/tmp/Tune-5118-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/SprigOfIvy1.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_51185.log 118939 Log file, useful mostly for debugging
Tune-5118-SprigOfIvy1.abc 1535 ABC music file with the extracted tune(s)
Tune-5118-SprigOfIvy1.ps 46769 PostScript
Tune-5118-SprigOfIvy1.txt 1535 Plain-text file with the extracted tune(s)
Tune-5118-get.log 4821 Log file, useful mostly for debugging
Tune-51189-get.log 23460 Log file, useful mostly for debugging
Tune-51189-new_Scand.abc 17770 ABC music file with the extracted tune(s)
Tune-51189-new_Scand.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-51189-new_Scand.ps 222532 PostScript
Tune-51189-new_Scand.txt 17770 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.