pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-29264-Blaydon_Races_G4.ps) >>/Users/jc/w/tmp/Tune-29264-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/jig/Blaydon_Races_G4.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
Coll_29264.log 131917 Log file, useful mostly for debugging
Tune-29264-Blaydon_Races_G4.abc 538 ABC music file with the extracted tune(s)
Tune-29264-Blaydon_Races_G4.ps 36044 PostScript
Tune-29264-Blaydon_Races_G4.txt 538 Plain-text file with the extracted tune(s)
Tune-29264-get.log 4436 Log file, useful mostly for debugging
These files should be available for 24 hours.