pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-61449-TobermoryBay_A.ps) >>/Users/jc/w/tmp/Tune-61449-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Scotland/TobermoryBay_A.abc

Error exit status 256; here are some files to check:
[P=get.cgi V=1/1 B=0 scale=0.60 512x512 PNG]
filesizedescription
Tune-61449-TobermoryBay_A.abc 443 ABC music file with the extracted tune(s)
Tune-61449-TobermoryBay_A.ps 35359 PostScript
Tune-61449-TobermoryBay_A.txt 443 Plain-text file with the extracted tune(s)
Tune-61449-get.log 4227 Log file, useful mostly for debugging
These files should be available for 24 hours.