pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9965-Pols_Ore1.ps) >>/Users/jc/w/tmp/Tune-9965-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/scand/Pols_Ore1.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-9965-Pols_Ore1.abc 2308 ABC music file with the extracted tune(s)
Tune-9965-Pols_Ore1.ps 57625 PostScript
Tune-9965-Pols_Ore1.txt 2308 Plain-text file with the extracted tune(s)
Tune-9965-get.log 4313 Log file, useful mostly for debugging
Tune-99654-get.log 4364 Log file, useful mostly for debugging
Tune-99655-MorecambeBay.abc 548 ABC music file with the extracted tune(s)
Tune-99655-MorecambeBay.pdf 19701 Portable Data Format
Tune-99655-MorecambeBay.ps 36078 PostScript
Tune-99655-MorecambeBay.txt 548 Plain-text file with the extracted tune(s)
Tune-99655-get.log 5187 Log file, useful mostly for debugging
These files should be available for 24 hours.