pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4977-VarnenskoHoro.ps) >>/Users/jc/w/tmp/Tune-4977-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Balkan/VarnenskoHoro.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_49773.log 1077531 Log file, useful mostly for debugging
Coll_49779.log 285735 Log file, useful mostly for debugging
Tune-4977-VarnenskoHoro.abc 1205 ABC music file with the extracted tune(s)
Tune-4977-VarnenskoHoro.ps 51910 PostScript
Tune-4977-VarnenskoHoro.txt 1205 Plain-text file with the extracted tune(s)
Tune-4977-get.log 4369 Log file, useful mostly for debugging
Tune-49772-Rustemul.abc 700 ABC music file with the extracted tune(s)
Tune-49772-Rustemul.pdf 23503 Portable Data Format
Tune-49772-Rustemul.ps 37589 PostScript
Tune-49772-Rustemul.txt 700 Plain-text file with the extracted tune(s)
Tune-49772-get.log 5035 Log file, useful mostly for debugging
These files should be available for 24 hours.