pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-34767-1131_MERRY_DANCE.ps) >>/Users/jc/w/tmp/Tune-34767-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/BostonCollection/1131_MERRY_DANCE.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_34767.log 349485 Log file, useful mostly for debugging
Tune-34767-1131_MERRY_DANCE.abc 831 ABC music file with the extracted tune(s)
Tune-34767-1131_MERRY_DANCE.ps 35753 PostScript
Tune-34767-1131_MERRY_DANCE.txt 831 Plain-text file with the extracted tune(s)
Tune-34767-get.log 4739 Log file, useful mostly for debugging
These files should be available for 24 hours.