pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-13008-AGRACE3D.ps) >>/Users/jc/w/tmp/Tune-13008-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/corneymusers/orig/AGRACE3D.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
Find_13008.log 1703 Log file, useful mostly for debugging
Tune-13008-AGRACE3D.abc 310 ABC music file with the extracted tune(s)
Tune-13008-AGRACE3D.ps 36369 PostScript
Tune-13008-AGRACE3D.txt 310 Plain-text file with the extracted tune(s)
Tune-13008-get.log 6278 Log file, useful mostly for debugging
These files should be available for 24 hours.