pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1926-21252_THE_CHAMPION_HORNPIPE.ps) >>/Users/jc/w/tmp/Tune-1926-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Kohlers/21252_THE_CHAMPION_HORNPIPE.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_19263.log 326481 Log file, useful mostly for debugging
Coll_19266.log 263256 Log file, useful mostly for debugging
Find_19260.log 1622 Log file, useful mostly for debugging
Form_19269.log 2653 Log file, useful mostly for debugging
Tune-1926-21252_THE_CHAMPION_HORNPIPE.abc 613 ABC music file with the extracted tune(s)
Tune-1926-21252_THE_CHAMPION_HORNPIPE.ps 38188 PostScript
Tune-1926-21252_THE_CHAMPION_HORNPIPE.txt 613 Plain-text file with the extracted tune(s)
Tune-1926-get.log 8413 Log file, useful mostly for debugging
Tune-19261-get.log 7283 Log file, useful mostly for debugging
Tune-19263-get.log 5467 Log file, useful mostly for debugging
Tune-19267-get.log 5143 Log file, useful mostly for debugging
Tune-19269-get.log 3722 Log file, useful mostly for debugging
These files should be available for 24 hours.