pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7976-ItsJustForFun.ps) >>/Users/jc/w/tmp/Tune-7976-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Scotland/ItsJustForFun.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_79767.log 523181 Log file, useful mostly for debugging
Tune-7976-ItsJustForFun.abc 1996 ABC music file with the extracted tune(s)
Tune-7976-ItsJustForFun.ps 47712 PostScript
Tune-7976-ItsJustForFun.txt 1996 Plain-text file with the extracted tune(s)
Tune-7976-get.log 4896 Log file, useful mostly for debugging
Tune-79769-KnivesAndForks-001.svg 32528 Scalable Vector Graphics format
Tune-79769-KnivesAndForks.abc 1078 ABC music file with the extracted tune(s)
Tune-79769-KnivesAndForks.txt 1078 Plain-text file with the extracted tune(s)
Tune-79769-get.log 4072 Log file, useful mostly for debugging
These files should be available for 24 hours.