pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-4104-GilfordThe_PLFD1701_442.ps) >>/Users/jc/w/tmp/Tune-4104-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/GilfordThe_PLFD1701_442.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_4104.log 1148427 Log file, useful mostly for debugging
Coll_41040.log 471010 Log file, useful mostly for debugging
Coll_41042.log 459811 Log file, useful mostly for debugging
Coll_41044.log 468211 Log file, useful mostly for debugging
Tune-4104-GilfordThe_PLFD1701_442.abc 460 ABC music file with the extracted tune(s)
Tune-4104-GilfordThe_PLFD1701_442.ps 34407 PostScript
Tune-4104-GilfordThe_PLFD1701_442.txt 460 Plain-text file with the extracted tune(s)
Tune-4104-get.log 4784 Log file, useful mostly for debugging
Tune-41040-get.log 5725 Log file, useful mostly for debugging
Tune-41044-get.log 4799 Log file, useful mostly for debugging
Tune-41046-get.log 4209 Log file, useful mostly for debugging
Tune-41047-get.log 1445 Log file, useful mostly for debugging
Tune-41049-get.log 4886 Log file, useful mostly for debugging
These files should be available for 24 hours.