pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-98153-3281_Mr_Stabilinis_Favourite.ps) >>/Users/jc/w/tmp/Tune-98153-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CSR/3281_Mr_Stabilinis_Favourite.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_98153.log 443010 Log file, useful mostly for debugging
Tune-98153-3281_Mr_Stabilinis_Favourite.abc 1073 ABC music file with the extracted tune(s)
Tune-98153-3281_Mr_Stabilinis_Favourite.ps 42163 PostScript
Tune-98153-3281_Mr_Stabilinis_Favourite.txt 1073 Plain-text file with the extracted tune(s)
Tune-98153-get.log 4990 Log file, useful mostly for debugging
These files should be available for 24 hours.