pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9554-0331_.ps) >>/Users/jc/w/tmp/Tune-9554-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/BostonCollection/0331_.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-9554-0331_.abc 64 ABC music file with the extracted tune(s)
Tune-9554-0331_.ps 6 PostScript
Tune-9554-0331_.txt 64 Plain-text file with the extracted tune(s)
Tune-9554-get.log 3885 Log file, useful mostly for debugging
Tune-95542-get.log 1513 Log file, useful mostly for debugging
Tune-95548-get.log 1371 Log file, useful mostly for debugging
Tune-95549-get.log 1441 Log file, useful mostly for debugging
These files should be available for 24 hours.