pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8999-Shestorka.ps) >>/Users/jc/w/tmp/Tune-8999-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Balkan/Shestorka.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_89994.log 1069339 Log file, useful mostly for debugging
Tune-8999-Shestorka.abc 583 ABC music file with the extracted tune(s)
Tune-8999-Shestorka.ps 35790 PostScript
Tune-8999-Shestorka.txt 583 Plain-text file with the extracted tune(s)
Tune-8999-get.log 4277 Log file, useful mostly for debugging
Tune-89990-get.log 1422 Log file, useful mostly for debugging
Tune-89997-get.log 1444 Log file, useful mostly for debugging
These files should be available for 24 hours.