pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-15235-LadyFrancisNevillsDelight_PLFD1657_150.ps) >>/Users/jc/w/tmp/Tune-15235-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/LadyFrancisNevillsDelight_PLFD1657_150.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-15235-LadyFrancisNevillsDelight_PLFD1657_150.abc 432 ABC music file with the extracted tune(s)
Tune-15235-LadyFrancisNevillsDelight_PLFD1657_150.ps 34329 PostScript
Tune-15235-LadyFrancisNevillsDelight_PLFD1657_150.txt 432 Plain-text file with the extracted tune(s)
Tune-15235-get.log 5212 Log file, useful mostly for debugging
These files should be available for 24 hours.