pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-44521-Trap_Ball.ps) >>/Users/jc/w/tmp/Tune-44521-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Thompson/Trap_Ball.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Form_44521.log 943 Log file, useful mostly for debugging
Tune-44521-Trap_Ball.abc 405 ABC music file with the extracted tune(s)
Tune-44521-Trap_Ball.ps 33176 PostScript
Tune-44521-Trap_Ball.txt 405 Plain-text file with the extracted tune(s)
Tune-44521-get.log 7634 Log file, useful mostly for debugging
These files should be available for 24 hours.