pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-51785-JeanMartinOfAberdeen2.ps) >>/Users/jc/w/tmp/Tune-51785-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/Scotland/JeanMartinOfAberdeen2.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-51785-HitAndMiss.abc 788 ABC music file with the extracted tune(s)
Tune-51785-HitAndMiss.ps 38717 PostScript
Tune-51785-HitAndMiss.txt 788 Plain-text file with the extracted tune(s)
Tune-51785-JeanMartinOfAberdeen2.abc 2136 ABC music file with the extracted tune(s)
Tune-51785-JeanMartinOfAberdeen2.ps 52797 PostScript
Tune-51785-JeanMartinOfAberdeen2.txt 2136 Plain-text file with the extracted tune(s)
Tune-51785-get.log 9534 Log file, useful mostly for debugging
These files should be available for 24 hours.