pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9063-Crossing1.ps) >>/Users/jc/w/tmp/Tune-9063-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/Crossing1.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_90632.log 149254 Log file, useful mostly for debugging
Tune-9063-Crossing1.abc 1789 ABC music file with the extracted tune(s)
Tune-9063-Crossing1.ps 50542 PostScript
Tune-9063-Crossing1.txt 1789 Plain-text file with the extracted tune(s)
Tune-9063-get.log 4765 Log file, useful mostly for debugging
Tune-90633-get.log 1398 Log file, useful mostly for debugging
Tune-90639-MyWifesAWantonWeeThing.abc 1195 ABC music file with the extracted tune(s)
Tune-90639-MyWifesAWantonWeeThing.pdf 31519 Portable Data Format
Tune-90639-MyWifesAWantonWeeThing.ps 42112 PostScript
Tune-90639-MyWifesAWantonWeeThing.txt 1195 Plain-text file with the extracted tune(s)
Tune-90639-get.log 6121 Log file, useful mostly for debugging
These files should be available for 24 hours.