pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6743-DukeAndDuchessOfEdinburgh3.ps) >>/Users/jc/w/tmp/Tune-6743-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Scotland/DukeAndDuchessOfEdinburgh3.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-6743-DukeAndDuchessOfEdinburgh3.abc 1890 ABC music file with the extracted tune(s)
Tune-6743-DukeAndDuchessOfEdinburgh3.ps 48271 PostScript
Tune-6743-DukeAndDuchessOfEdinburgh3.txt 1890 Plain-text file with the extracted tune(s)
Tune-6743-get.log 5308 Log file, useful mostly for debugging
Tune-67439-TritiPuti-001.svg 49301 Scalable Vector Graphics format
Tune-67439-TritiPuti.abc 1033 ABC music file with the extracted tune(s)
Tune-67439-TritiPuti.txt 1033 Plain-text file with the extracted tune(s)
Tune-67439-get.log 3883 Log file, useful mostly for debugging
These files should be available for 24 hours.