pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-77805-GangTheSameGate2.ps) >>/Users/jc/w/tmp/Tune-77805-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Scotland/GangTheSameGate2.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-77805-GangTheSameGate2.abc 2456 ABC music file with the extracted tune(s)
Tune-77805-GangTheSameGate2.ps 61487 PostScript
Tune-77805-GangTheSameGate2.txt 2456 Plain-text file with the extracted tune(s)
Tune-77805-Maurice1-001.svg 76658 Scalable Vector Graphics format
Tune-77805-Maurice1.abc 1915 ABC music file with the extracted tune(s)
Tune-77805-Maurice1.txt 1915 Plain-text file with the extracted tune(s)
Tune-77805-get.log 9373 Log file, useful mostly for debugging
These files should be available for 24 hours.