pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9330-3231_the_Shamrock.ps) >>/Users/jc/w/tmp/Tune-9330-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kerr/MM3/3231_the_Shamrock.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-9330-3231_the_Shamrock.abc 362 ABC music file with the extracted tune(s)
Tune-9330-3231_the_Shamrock.ps 33059 PostScript
Tune-9330-3231_the_Shamrock.txt 362 Plain-text file with the extracted tune(s)
Tune-9330-get.log 10538 Log file, useful mostly for debugging
Tune-93305-get.log 3684 Log file, useful mostly for debugging
Tune-93307-get.log 7542 Log file, useful mostly for debugging
Tune-93308-get.log 5195 Log file, useful mostly for debugging
These files should be available for 24 hours.