X:0 not found in http://roaringjelly.org/~jc/KC/_4.abc
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6994-_4.ps) >>/Users/jc/w/tmp/Tune-6994-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/KC/_4.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-6994-_4.abc 0 ABC music file with the extracted tune(s)
Tune-6994-_4.ps 6 PostScript
Tune-6994-_4.txt 0 Plain-text file with the extracted tune(s)
Tune-6994-get.log 150087 Log file, useful mostly for debugging
Tune-69941-get.log 5202 Log file, useful mostly for debugging
Tune-69942-get.log 4937 Log file, useful mostly for debugging
Tune-69945-get.log 4763 Log file, useful mostly for debugging
Tune-69949-get.log 5524 Log file, useful mostly for debugging
These files should be available for 24 hours.