pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2914-2443_New_Beginners_Polka.ps) >>/Users/jc/w/tmp/Tune-2914-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Kerr/MM2/2443_New_Beginners_Polka.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_29141.log 137646 Log file, useful mostly for debugging
Tune-2914-2443_New_Beginners_Polka.abc 387 ABC music file with the extracted tune(s)
Tune-2914-2443_New_Beginners_Polka.ps 33956 PostScript
Tune-2914-2443_New_Beginners_Polka.txt 387 Plain-text file with the extracted tune(s)
Tune-2914-get.log 10296 Log file, useful mostly for debugging
Tune-29140-get.log 5404 Log file, useful mostly for debugging
Tune-29144-get.log 1405 Log file, useful mostly for debugging
Tune-29148-get.log 1405 Log file, useful mostly for debugging
These files should be available for 24 hours.