pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-2657-Sedauny.ps) >>/Users/jc/w/tmp/Tune-2657-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/England/Sedauny.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_26576.log 1343376 Log file, useful mostly for debugging
Tune-2657-Sedauny.abc 1846 ABC music file with the extracted tune(s)
Tune-2657-Sedauny.ps 36197 PostScript
Tune-2657-Sedauny.txt 1846 Plain-text file with the extracted tune(s)
Tune-2657-get.log 4257 Log file, useful mostly for debugging
Tune-26579-get.log 1583 Log file, useful mostly for debugging
These files should be available for 24 hours.