pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8756-sessionTunes.ps) >>/Users/jc/w/tmp/Tune-8756-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/redhawk.org/JohnWalsh/sessionTunes.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_87563.log 266779 Log file, useful mostly for debugging
Coll_87564.log 305481 Log file, useful mostly for debugging
Coll_87568.log 69854 Log file, useful mostly for debugging
Find_87566.log 1397 Log file, useful mostly for debugging
Form_87567.log 739 Log file, useful mostly for debugging
Tune-8756-get.log 7529 Log file, useful mostly for debugging
Tune-8756-sessionTunes.abc 213 ABC music file with the extracted tune(s)
Tune-8756-sessionTunes.ps 34530 PostScript
Tune-8756-sessionTunes.txt 213 Plain-text file with the extracted tune(s)
Tune-87560-get.log 3456 Log file, useful mostly for debugging
Tune-87564-get.log 3092 Log file, useful mostly for debugging
Tune-87565-get.log 5482 Log file, useful mostly for debugging
Tune-87567-ReelDesDeuxLisas_D.abc 405 ABC music file with the extracted tune(s)
Tune-87567-ReelDesDeuxLisas_D.txt 405 Plain-text file with the extracted tune(s)
Tune-87567-get.log 3096 Log file, useful mostly for debugging
Tune-87568-get.log 3998 Log file, useful mostly for debugging
These files should be available for 24 hours.