pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4826-NomadSet3.ps) >>/Users/jc/w/tmp/Tune-4826-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/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_48268.log 485249 Log file, useful mostly for debugging
Find_48264.log 1574 Log file, useful mostly for debugging
Tune-4826-NomadSet3.abc 1104 ABC music file with the extracted tune(s)
Tune-4826-NomadSet3.ps 44565 PostScript
Tune-4826-NomadSet3.txt 1104 Plain-text file with the extracted tune(s)
Tune-4826-get.log 4432 Log file, useful mostly for debugging
Tune-48260-get.log 1525 Log file, useful mostly for debugging
Tune-48263-get.log 5542 Log file, useful mostly for debugging
Tune-48267-get.log 8760 Log file, useful mostly for debugging
Tune-48268-get.log 8580 Log file, useful mostly for debugging
These files should be available for 24 hours.