pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7168-MyFriendJoe2.ps) >>/Users/jc/w/tmp/Tune-7168-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Scotland/MyFriendJoe2.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-7168-MyFriendJoe2.abc 1705 ABC music file with the extracted tune(s)
Tune-7168-MyFriendJoe2.ps 50741 PostScript
Tune-7168-MyFriendJoe2.txt 1705 Plain-text file with the extracted tune(s)
Tune-7168-get.log 4846 Log file, useful mostly for debugging
Tune-71682-TributeToTheBorders1.abc 2009 ABC music file with the extracted tune(s)
Tune-71682-TributeToTheBorders1.ps 45932 PostScript
Tune-71682-TributeToTheBorders1.txt 2009 Plain-text file with the extracted tune(s)
Tune-71682-get.log 5143 Log file, useful mostly for debugging
These files should be available for 24 hours.