pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-47435-PrinceOfWales2.ps) >>/Users/jc/w/tmp/Tune-47435-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Scotland/PrinceOfWales2.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-47435-KissingBridge.abc 1675 ABC music file with the extracted tune(s)
Tune-47435-KissingBridge.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-47435-KissingBridge.ps 44712 PostScript
Tune-47435-KissingBridge.txt 1675 Plain-text file with the extracted tune(s)
Tune-47435-PrinceOfWales2.abc 2520 ABC music file with the extracted tune(s)
Tune-47435-PrinceOfWales2.ps 57189 PostScript
Tune-47435-PrinceOfWales2.txt 2520 Plain-text file with the extracted tune(s)
Tune-47435-get.log 10668 Log file, useful mostly for debugging
These files should be available for 24 hours.