pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-36063-105_Harrys_Delight.ps) >>/Users/jc/w/tmp/Tune-36063-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Straight_Skillern/105_Harrys_Delight.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-36063-105_Harrys_Delight.abc 658 ABC music file with the extracted tune(s)
Tune-36063-105_Harrys_Delight.ps 32788 PostScript
Tune-36063-105_Harrys_Delight.txt 658 Plain-text file with the extracted tune(s)
Tune-36063-get.log 6266 Log file, useful mostly for debugging
These files should be available for 24 hours.