pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-5531-Misers_Jewel.ps) >>/Users/jc/w/tmp/Tune-5531-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Thompson/Misers_Jewel.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Coll_55314.log 139483 Log file, useful mostly for debugging
Tune-5531-Misers_Jewel.abc 468 ABC music file with the extracted tune(s)
Tune-5531-Misers_Jewel.ps 34364 PostScript
Tune-5531-Misers_Jewel.txt 468 Plain-text file with the extracted tune(s)
Tune-5531-endo.abc 141 ABC music file with the extracted tune(s)
Tune-5531-endo.txt 141 Plain-text file with the extracted tune(s)
Tune-5531-get.log 7538 Log file, useful mostly for debugging
These files should be available for 24 hours.