pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7336-im_old_fashioned.ps) >>/Users/jc/w/tmp/Tune-7336-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/jazz/im_old_fashioned.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_73368.log 348546 Log file, useful mostly for debugging
Tune-7336-get.log 4575 Log file, useful mostly for debugging
Tune-7336-im_old_fashioned.abc 1472 ABC music file with the extracted tune(s)
Tune-7336-im_old_fashioned.ps 42545 PostScript
Tune-7336-im_old_fashioned.txt 1472 Plain-text file with the extracted tune(s)
Tune-73361-get.log 5912 Log file, useful mostly for debugging
Tune-73362-get.log 4853 Log file, useful mostly for debugging
Tune-73364-get.log 4898 Log file, useful mostly for debugging
Tune-73368-get.log 3098 Log file, useful mostly for debugging
Tune-73369-get.log 3974 Log file, useful mostly for debugging
These files should be available for 24 hours.