pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-9900-SilverSpearR.ps) >>/Users/jc/w/tmp/Tune-9900-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/terrytraub.org/SilverSpearR.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_99002.log 63644 Log file, useful mostly for debugging
Tune-9900-SilverSpearR.abc 331 ABC music file with the extracted tune(s)
Tune-9900-SilverSpearR.ps 35809 PostScript
Tune-9900-SilverSpearR.txt 331 Plain-text file with the extracted tune(s)
Tune-9900-get.log 4260 Log file, useful mostly for debugging
Tune-99003-MuckinOGeordiesByreKerrsVersion.abc 280 ABC music file with the extracted tune(s)
Tune-99003-MuckinOGeordiesByreKerrsVersion.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-99003-MuckinOGeordiesByreKerrsVersion.ps 34682 PostScript
Tune-99003-MuckinOGeordiesByreKerrsVersion.txt 280 Plain-text file with the extracted tune(s)
Tune-99003-get.log 5590 Log file, useful mostly for debugging
Tune-99005-get.log 5175 Log file, useful mostly for debugging
Tune-99007-get.log 4608 Log file, useful mostly for debugging
These files should be available for 24 hours.