pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-65219-StMartinsLane_PLFD1696_366.ps) >>/Users/jc/w/tmp/Tune-65219-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/StMartinsLane_PLFD1696_366.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-65219-10031_Coolun.abc 610 ABC music file with the extracted tune(s)
Tune-65219-10031_Coolun.txt 610 Plain-text file with the extracted tune(s)
Tune-65219-StMartinsLane_PLFD1696_366.abc 518 ABC music file with the extracted tune(s)
Tune-65219-StMartinsLane_PLFD1696_366.ps 34865 PostScript
Tune-65219-StMartinsLane_PLFD1696_366.txt 518 Plain-text file with the extracted tune(s)
Tune-65219-get.log 8003 Log file, useful mostly for debugging
These files should be available for 24 hours.