pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9256-Pibdens_Fancy.ps) >>/Users/jc/w/tmp/Tune-9256-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Brewer/Pibdens_Fancy.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_9256.log 13597 Log file, useful mostly for debugging
Coll_92562.log 280117 Log file, useful mostly for debugging
Coll_92564.log 261851 Log file, useful mostly for debugging
Coll_92567.log 263256 Log file, useful mostly for debugging
Form_92569.log 962 Log file, useful mostly for debugging
Tune-9256-Pibdens_Fancy.abc 301 ABC music file with the extracted tune(s)
Tune-9256-Pibdens_Fancy.ps 33126 PostScript
Tune-9256-Pibdens_Fancy.txt 301 Plain-text file with the extracted tune(s)
Tune-9256-get.log 13675 Log file, useful mostly for debugging
Tune-92568-get.log 363312 Log file, useful mostly for debugging
These files should be available for 24 hours.