pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-67103-Flogging_Reel_G.ps) >>/Users/jc/w/tmp/Tune-67103-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/reel/Flogging_Reel_G.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-67103-Flogging_Reel_G.abc 491 ABC music file with the extracted tune(s)
Tune-67103-Flogging_Reel_G.ps 36037 PostScript
Tune-67103-Flogging_Reel_G.txt 491 Plain-text file with the extracted tune(s)
Tune-67103-get.log 4314 Log file, useful mostly for debugging
These files should be available for 24 hours.