pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-56265-Tartar_The_1.ps) >>/Users/jc/w/tmp/Tune-56265-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Thompson/Tartar_The_1.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-56265-CDSS_Gems.abc 150 ABC music file with the extracted tune(s)
Tune-56265-CDSS_Gems.txt 150 Plain-text file with the extracted tune(s)
Tune-56265-JohnWalsh.abc 146 ABC music file with the extracted tune(s)
Tune-56265-JohnWalsh.pdf 2217 Portable Data Format
Tune-56265-JohnWalsh.ps 6 PostScript
Tune-56265-JohnWalsh.txt 146 Plain-text file with the extracted tune(s)
Tune-56265-Tartar_The_1.abc 423 ABC music file with the extracted tune(s)
Tune-56265-Tartar_The_1.ps 32923 PostScript
Tune-56265-Tartar_The_1.txt 423 Plain-text file with the extracted tune(s)
Tune-56265-get.log 24191 Log file, useful mostly for debugging
These files should be available for 24 hours.