pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4268-NewBathThe_PLFD1686_252.ps) >>/Users/jc/w/tmp/Tune-4268-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/NewBathThe_PLFD1686_252.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_42686.log 2297360 Log file, useful mostly for debugging
Form_42686.log 821 Log file, useful mostly for debugging
Tune-4268-NewBathThe_PLFD1686_252.abc 371 ABC music file with the extracted tune(s)
Tune-4268-NewBathThe_PLFD1686_252.ps 33850 PostScript
Tune-4268-NewBathThe_PLFD1686_252.txt 371 Plain-text file with the extracted tune(s)
Tune-4268-get.log 6142 Log file, useful mostly for debugging
Tune-42686-abc1.abc 151 ABC music file with the extracted tune(s)
Tune-42686-abc1.txt 151 Plain-text file with the extracted tune(s)
Tune-42686-get.log 2726 Log file, useful mostly for debugging
These files should be available for 24 hours.