pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7690-Frank_and_easy.ps) >>/Users/jc/w/tmp/Tune-7690-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/JohnWalsh/Frank_and_easy.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_76902.log 810 Log file, useful mostly for debugging
Tune-7690-Frank_and_easy.abc 1050 ABC music file with the extracted tune(s)
Tune-7690-Frank_and_easy.ps 33512 PostScript
Tune-7690-Frank_and_easy.txt 1050 Plain-text file with the extracted tune(s)
Tune-7690-get.log 4519 Log file, useful mostly for debugging
Tune-76900-get.log 20343 Log file, useful mostly for debugging
Tune-76905-get.log 104286 Log file, useful mostly for debugging
Tune-76908-2113_Ailen_a_Roon.abc 933 ABC music file with the extracted tune(s)
Tune-76908-2113_Ailen_a_Roon.ps 37551 PostScript
Tune-76908-2113_Ailen_a_Roon.txt 933 Plain-text file with the extracted tune(s)
Tune-76908-get.log 4720 Log file, useful mostly for debugging
These files should be available for 24 hours.