pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-13812-KissUnderTheStairs.ps) >>/Users/jc/w/tmp/Tune-13812-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/KissUnderTheStairs.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_13812.log 274495 Log file, useful mostly for debugging
Tune-13812-KissUnderTheStairs.abc 2212 ABC music file with the extracted tune(s)
Tune-13812-KissUnderTheStairs.ps 45436 PostScript
Tune-13812-KissUnderTheStairs.txt 2212 Plain-text file with the extracted tune(s)
Tune-13812-get.log 5065 Log file, useful mostly for debugging
These files should be available for 24 hours.