pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-97646-3083.ps) >>/Users/jc/w/tmp/Tune-97646-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Gow/CR/3083=the_Fallen_Hero_Nelson.abc2.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_97646.log 144740 Log file, useful mostly for debugging
Tune-97646-3083.abc 1188 ABC music file with the extracted tune(s)
Tune-97646-3083.ps 42649 PostScript
Tune-97646-3083.txt 1188 Plain-text file with the extracted tune(s)
Tune-97646-get.log 10049 Log file, useful mostly for debugging
These files should be available for 24 hours.