pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1674-DuchessTree1.ps) >>/Users/jc/w/tmp/Tune-1674-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Scotland/DuchessTree1.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-1674-DuchessTree1.abc 2298 ABC music file with the extracted tune(s)
Tune-1674-DuchessTree1.ps 44843 PostScript
Tune-1674-DuchessTree1.txt 2298 Plain-text file with the extracted tune(s)
Tune-1674-get.log 4869 Log file, useful mostly for debugging
Tune-16741-SeannTriubhasWillichan3-001.svg 79300 Scalable Vector Graphics format
Tune-16741-SeannTriubhasWillichan3.abc 2855 ABC music file with the extracted tune(s)
Tune-16741-SeannTriubhasWillichan3.txt 2855 Plain-text file with the extracted tune(s)
Tune-16741-get.log 4839 Log file, useful mostly for debugging
These files should be available for 24 hours.