pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-65292-Jack_Graces_Front.ps) >>/Users/jc/w/tmp/Tune-65292-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Thompson/Jack_Graces_Front.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Find_65292.log 1886 Log file, useful mostly for debugging
Tune-65292-Jack_Graces_Front.abc 515 ABC music file with the extracted tune(s)
Tune-65292-Jack_Graces_Front.ps 33848 PostScript
Tune-65292-Jack_Graces_Front.txt 515 Plain-text file with the extracted tune(s)
Tune-65292-get.log 4608 Log file, useful mostly for debugging
These files should be available for 24 hours.