pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-27931-000_Title.ps) >>/Users/jc/w/tmp/Tune-27931-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/EverydaySongBook/000_Title.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_27931.log 869 Log file, useful mostly for debugging
Tune-27931-000_Title.abc 1584 ABC music file with the extracted tune(s)
Tune-27931-000_Title.ps 33051 PostScript
Tune-27931-000_Title.txt 1584 Plain-text file with the extracted tune(s)
Tune-27931-get.log 5822 Log file, useful mostly for debugging
These files should be available for 24 hours.