pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-58724-NomadSet3.ps) >>/Users/jc/w/tmp/Tune-58724-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/contra/NomadSet3.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_58724.log 977518 Log file, useful mostly for debugging
Tune-58724-NomadSet3.abc 1094 ABC music file with the extracted tune(s)
Tune-58724-NomadSet3.ps 44566 PostScript
Tune-58724-NomadSet3.txt 1094 Plain-text file with the extracted tune(s)
Tune-58724-get.log 4357 Log file, useful mostly for debugging
These files should be available for 24 hours.