pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3743-HealthToBetty_PLFD1651_037.ps) >>/Users/jc/w/tmp/Tune-3743-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/HealthToBetty_PLFD1651_037.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_3743.log 455608 Log file, useful mostly for debugging
Coll_37430.log 465410 Log file, useful mostly for debugging
Form_37433.log 991 Log file, useful mostly for debugging
Tune-3743-HealthToBetty_PLFD1651_037.abc 351 ABC music file with the extracted tune(s)
Tune-3743-HealthToBetty_PLFD1651_037.ps 32327 PostScript
Tune-3743-HealthToBetty_PLFD1651_037.txt 351 Plain-text file with the extracted tune(s)
Tune-3743-get.log 8699 Log file, useful mostly for debugging
Tune-37431-get.log 5573 Log file, useful mostly for debugging
Tune-37432-get.log 4033 Log file, useful mostly for debugging
Tune-37433-get.log 2868 Log file, useful mostly for debugging
Tune-37437-get.log 4350 Log file, useful mostly for debugging
These files should be available for 24 hours.