pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-11804-2148_Athole_Brose.ps) >>/Users/jc/w/tmp/Tune-11804-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Kerr/MM2/2148_Athole_Brose.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-11804-2148_Athole_Brose.abc 404 ABC music file with the extracted tune(s)
Tune-11804-2148_Athole_Brose.ps 33949 PostScript
Tune-11804-2148_Athole_Brose.txt 404 Plain-text file with the extracted tune(s)
Tune-11804-get.log 13632 Log file, useful mostly for debugging
These files should be available for 24 hours.