pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1877-3301-Money_in_both_Pockets.ps) >>/Users/jc/w/tmp/Tune-1877-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CSR/3301-Money_in_both_Pockets.abc1.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_18771.log 416410 Log file, useful mostly for debugging
Coll_18774.log 704018 Log file, useful mostly for debugging
Form_18772.log 875 Log file, useful mostly for debugging
Tune-1877-3301-Money_in_both_Pockets.abc 1618 ABC music file with the extracted tune(s)
Tune-1877-3301-Money_in_both_Pockets.ps 44319 PostScript
Tune-1877-3301-Money_in_both_Pockets.txt 1618 Plain-text file with the extracted tune(s)
Tune-1877-get.log 5006 Log file, useful mostly for debugging
Tune-18777-get.log 3622 Log file, useful mostly for debugging
Tune-18778-get.log 6243 Log file, useful mostly for debugging
These files should be available for 24 hours.