pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-22606-BirksOfInvermay3.ps) >>/Users/jc/w/tmp/Tune-22606-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/Scotland/BirksOfInvermay3.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_22606.log 1337270 Log file, useful mostly for debugging
Tune-22606-BirksOfInvermay3.abc 2084 ABC music file with the extracted tune(s)
Tune-22606-BirksOfInvermay3.ps 54974 PostScript
Tune-22606-BirksOfInvermay3.txt 2084 Plain-text file with the extracted tune(s)
Tune-22606-get.log 5014 Log file, useful mostly for debugging
These files should be available for 24 hours.