pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-395-Arcadia_PLFD1686_238.ps) >>/Users/jc/w/tmp/Tune-395-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/Arcadia_PLFD1686_238.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_39523.log 282009 Log file, useful mostly for debugging
Coll_3955.log 370707 Log file, useful mostly for debugging
Coll_39556.log 283412 Log file, useful mostly for debugging
Coll_39590.log 272212 Log file, useful mostly for debugging
List3950.log 161 Log file, useful mostly for debugging
Tune-395-Arcadia_PLFD1686_238.abc 391 ABC music file with the extracted tune(s)
Tune-395-Arcadia_PLFD1686_238.ps 34084 PostScript
Tune-395-Arcadia_PLFD1686_238.txt 391 Plain-text file with the extracted tune(s)
Tune-395-get.log 4676 Log file, useful mostly for debugging
Tune-39510-get.log 1357 Log file, useful mostly for debugging
Tune-39519-get.log 1368 Log file, useful mostly for debugging
Tune-39536-get.log 1357 Log file, useful mostly for debugging
Tune-39543-get.log 1335 Log file, useful mostly for debugging
Tune-39551-get.log 1368 Log file, useful mostly for debugging
Tune-39569-get.log 1414 Log file, useful mostly for debugging
Tune-39574-get.log 1357 Log file, useful mostly for debugging
Tune-39581-get.log 1379 Log file, useful mostly for debugging
These files should be available for 24 hours.