pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2588-sep.ps) >>/Users/jc/w/tmp/Tune-2588-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/israel/sep.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_25882.log 285735 Log file, useful mostly for debugging
Coll_25883.log 289950 Log file, useful mostly for debugging
Tune-2588-get.log 3738 Log file, useful mostly for debugging
Tune-2588-sep.abc 20 ABC music file with the extracted tune(s)
Tune-2588-sep.ps 30462 PostScript
Tune-2588-sep.txt 20 Plain-text file with the extracted tune(s)
Tune-25883-get.log 7022 Log file, useful mostly for debugging
Tune-25886-4043_Sir_Charles_Douglasss_Strathspey.abc 988 ABC music file with the extracted tune(s)
Tune-25886-4043_Sir_Charles_Douglasss_Strathspey.txt 988 Plain-text file with the extracted tune(s)
Tune-25886-get.log 3670 Log file, useful mostly for debugging
Tune-25887-get.log 1484 Log file, useful mostly for debugging
Tune-25888-get.log 4366 Log file, useful mostly for debugging
These files should be available for 24 hours.