pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8895-TibbyFowlerOTheGlenS.ps) >>/Users/jc/w/tmp/Tune-8895-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/500/TibbyFowlerOTheGlenS.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-8895-TibbyFowlerOTheGlenS.abc 670 ABC music file with the extracted tune(s)
Tune-8895-TibbyFowlerOTheGlenS.ps 36524 PostScript
Tune-8895-TibbyFowlerOTheGlenS.txt 670 Plain-text file with the extracted tune(s)
Tune-8895-get.log 4647 Log file, useful mostly for debugging
Tune-88950-Rocket-001.svg 13063 Scalable Vector Graphics format
Tune-88950-Rocket.abc 463 ABC music file with the extracted tune(s)
Tune-88950-Rocket.txt 463 Plain-text file with the extracted tune(s)
Tune-88950-get.log 3930 Log file, useful mostly for debugging
Tune-88951-get.log 4182 Log file, useful mostly for debugging
Tune-88955-get.log 18660 Log file, useful mostly for debugging
Tune-88957-get.log 4263 Log file, useful mostly for debugging
These files should be available for 24 hours.