pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3634-Raven_Through_the_Bog_1.ps) >>/Users/jc/w/tmp/Tune-3634-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/hornpipe/Raven_Through_the_Bog_1.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_36340.log 461360 Log file, useful mostly for debugging
Coll_36343.log 129816 Log file, useful mostly for debugging
Tune-3634-Raven_Through_the_Bog_1.abc 652 ABC music file with the extracted tune(s)
Tune-3634-Raven_Through_the_Bog_1.ps 35764 PostScript
Tune-3634-Raven_Through_the_Bog_1.txt 652 Plain-text file with the extracted tune(s)
Tune-3634-get.log 8118 Log file, useful mostly for debugging
Tune-36347-get.log 3508 Log file, useful mostly for debugging
These files should be available for 24 hours.