pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-10439-Les_KosturskoOro.ps) >>/Users/jc/w/tmp/Tune-10439-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Balkan/Les_KosturskoOro.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_10439.log 280115 Log file, useful mostly for debugging
Tune-10439-Les_KosturskoOro.abc 1532 ABC music file with the extracted tune(s)
Tune-10439-Les_KosturskoOro.ps 42571 PostScript
Tune-10439-Les_KosturskoOro.txt 1532 Plain-text file with the extracted tune(s)
Tune-10439-get.log 4485 Log file, useful mostly for debugging
These files should be available for 24 hours.