pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-24150-on_the_alamo.ps) >>/Users/jc/w/tmp/Tune-24150-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/jazz/on_the_alamo.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_24150.log 957 Log file, useful mostly for debugging
Tune-24150-get.log 7708 Log file, useful mostly for debugging
Tune-24150-on_the_alamo.abc 1378 ABC music file with the extracted tune(s)
Tune-24150-on_the_alamo.ps 41776 PostScript
Tune-24150-on_the_alamo.txt 1378 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.