pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-24876-Duke_of_Holsteins_March.ps) >>/Users/jc/w/tmp/Tune-24876-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/CJSurtees/Duke_of_Holsteins_March.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_24876.log 761419 Log file, useful mostly for debugging
Tune-24876-Duke_of_Holsteins_March.abc 1149 ABC music file with the extracted tune(s)
Tune-24876-Duke_of_Holsteins_March.ps 41505 PostScript
Tune-24876-Duke_of_Holsteins_March.txt 1149 Plain-text file with the extracted tune(s)
Tune-24876-get.log 4792 Log file, useful mostly for debugging
These files should be available for 24 hours.