pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-31037-Hornpipe_Theme_Number_3.ps) >>/Users/jc/w/tmp/Tune-31037-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/Nelson/Hornpipe_Theme_Number_3.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_31037.log 278711 Log file, useful mostly for debugging
Form_31037.log 831 Log file, useful mostly for debugging
Tune-31037-Hornpipe_Theme_Number_3.abc 614 ABC music file with the extracted tune(s)
Tune-31037-Hornpipe_Theme_Number_3.ps 37439 PostScript
Tune-31037-Hornpipe_Theme_Number_3.txt 614 Plain-text file with the extracted tune(s)
Tune-31037-get.log 8445 Log file, useful mostly for debugging
These files should be available for 24 hours.