pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-7785-h.ps) >>/Users/jc/w/tmp/Tune-7785-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/atrilcoral.com/h.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-7785-get.log 176149 Log file, useful mostly for debugging
Tune-7785-h.abc 410 ABC music file with the extracted tune(s)
Tune-7785-h.ps 34144 PostScript
Tune-7785-h.txt 410 Plain-text file with the extracted tune(s)
Tune-77854-Grace_Hays_Delight.abc 472 ABC music file with the extracted tune(s)
Tune-77854-Grace_Hays_Delight.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-77854-Grace_Hays_Delight.ps 35983 PostScript
Tune-77854-Grace_Hays_Delight.txt 472 Plain-text file with the extracted tune(s)
Tune-77854-get.log 5784 Log file, useful mostly for debugging
These files should be available for 24 hours.