pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-50256-ShortsGardens_PLFD1686_256.ps) >>/Users/jc/w/tmp/Tune-50256-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Playford/ShortsGardens_PLFD1686_256.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-50256-1766.abc 149 ABC music file with the extracted tune(s)
Tune-50256-1766.ps 6 PostScript
Tune-50256-1766.txt 149 Plain-text file with the extracted tune(s)
Tune-50256-ShortsGardens_PLFD1686_256.abc 367 ABC music file with the extracted tune(s)
Tune-50256-ShortsGardens_PLFD1686_256.ps 33675 PostScript
Tune-50256-ShortsGardens_PLFD1686_256.txt 367 Plain-text file with the extracted tune(s)
Tune-50256-get.log 8755 Log file, useful mostly for debugging
These files should be available for 24 hours.