pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-41907-352_Logie_of_Buchan.ps) >>/Users/jc/w/tmp/Tune-41907-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/DftY/1798/Preston/352_Logie_of_Buchan.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-41907-352_Logie_of_Buchan.abc 734 ABC music file with the extracted tune(s)
Tune-41907-352_Logie_of_Buchan.ps 33018 PostScript
Tune-41907-352_Logie_of_Buchan.txt 734 Plain-text file with the extracted tune(s)
Tune-41907-get.log 12596 Log file, useful mostly for debugging
These files should be available for 24 hours.