pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-63045-3205_My_Boy_Tammy.ps) >>/Users/jc/w/tmp/Tune-63045-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Kerr/MM3/3205_My_Boy_Tammy.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-63045-3205_My_Boy_Tammy.abc 427 ABC music file with the extracted tune(s)
Tune-63045-3205_My_Boy_Tammy.ps 34317 PostScript
Tune-63045-3205_My_Boy_Tammy.txt 427 Plain-text file with the extracted tune(s)
Tune-63045-get.log 6182 Log file, useful mostly for debugging
These files should be available for 24 hours.