pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-39703-1801_LADIES_GALOPADE.ps) >>/Users/jc/w/tmp/Tune-39703-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/BostonCollection/1801_LADIES_GALOPADE.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_39703.log 1465968 Log file, useful mostly for debugging
Tune-39703-1801_LADIES_GALOPADE.abc 2427 ABC music file with the extracted tune(s)
Tune-39703-1801_LADIES_GALOPADE.ps 55519 PostScript
Tune-39703-1801_LADIES_GALOPADE.txt 2427 Plain-text file with the extracted tune(s)
Tune-39703-get.log 5605 Log file, useful mostly for debugging
These files should be available for 24 hours.