pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-13087-DrunkenPiper_b.ps) >>/Users/jc/w/tmp/Tune-13087-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/500/DrunkenPiper_b.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-13087-36_Schottische_G.abc 655 ABC music file with the extracted tune(s)
Tune-13087-36_Schottische_G.ps 34791 PostScript
Tune-13087-36_Schottische_G.txt 655 Plain-text file with the extracted tune(s)
Tune-13087-DrunkenPiper_b.abc 678 ABC music file with the extracted tune(s)
Tune-13087-DrunkenPiper_b.ps 36283 PostScript
Tune-13087-DrunkenPiper_b.txt 678 Plain-text file with the extracted tune(s)
Tune-13087-get.log 14179 Log file, useful mostly for debugging
These files should be available for 24 hours.