pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7073-PiperAndThePenguin1.ps) >>/Users/jc/w/tmp/Tune-7073-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Scotland/PiperAndThePenguin1.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_70730.log 577976 Log file, useful mostly for debugging
Tune-7073-PiperAndThePenguin1.abc 1354 ABC music file with the extracted tune(s)
Tune-7073-PiperAndThePenguin1.ps 39986 PostScript
Tune-7073-PiperAndThePenguin1.txt 1354 Plain-text file with the extracted tune(s)
Tune-7073-get.log 5058 Log file, useful mostly for debugging
Tune-70735-MonmouthRambleXmas.abc 1744 ABC music file with the extracted tune(s)
Tune-70735-MonmouthRambleXmas.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-70735-MonmouthRambleXmas.ps 40315 PostScript
Tune-70735-MonmouthRambleXmas.txt 1744 Plain-text file with the extracted tune(s)
Tune-70735-get.log 5838 Log file, useful mostly for debugging
Tune-70739-LassiesOMelrose.abc 1700 ABC music file with the extracted tune(s)
Tune-70739-LassiesOMelrose.pdf 39438 Portable Data Format
Tune-70739-LassiesOMelrose.ps 46712 PostScript
Tune-70739-LassiesOMelrose.txt 1700 Plain-text file with the extracted tune(s)
Tune-70739-get.log 5827 Log file, useful mostly for debugging
These files should be available for 24 hours.