pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2867-ArthursSeat.ps) >>/Users/jc/w/tmp/Tune-2867-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Scotland/ArthursSeat.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_28670.log 448716 Log file, useful mostly for debugging
Tune-2867-ArthursSeat.abc 1584 ABC music file with the extracted tune(s)
Tune-2867-ArthursSeat.ps 46446 PostScript
Tune-2867-ArthursSeat.txt 1584 Plain-text file with the extracted tune(s)
Tune-2867-get.log 4818 Log file, useful mostly for debugging
Tune-28672-SavilaSeBelaLoza_D.abc 492 ABC music file with the extracted tune(s)
Tune-28672-SavilaSeBelaLoza_D.pdf 14029 Portable Data Format
Tune-28672-SavilaSeBelaLoza_D.ps 34258 PostScript
Tune-28672-SavilaSeBelaLoza_D.txt 492 Plain-text file with the extracted tune(s)
Tune-28672-get.log 5388 Log file, useful mostly for debugging
These files should be available for 24 hours.