pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8743-Q-misc.ps) >>/Users/jc/w/tmp/Tune-8743-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/mirror/thisoldtractor.com/Q-misc.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_87430.log 2482034 Log file, useful mostly for debugging
Coll_87435.log 70124 Log file, useful mostly for debugging
Tune-8743-Q-misc.abc 552 ABC music file with the extracted tune(s)
Tune-8743-Q-misc.ps 35629 PostScript
Tune-8743-Q-misc.txt 552 Plain-text file with the extracted tune(s)
Tune-8743-get.log 4291 Log file, useful mostly for debugging
Tune-87430-William_McDonald_Black_D.abc 591 ABC music file with the extracted tune(s)
Tune-87430-William_McDonald_Black_D.gif 0 Graphics Interchange Format, the proprietary scan-line picture format
Tune-87430-William_McDonald_Black_D.ps 39336 PostScript
Tune-87430-William_McDonald_Black_D.txt 591 Plain-text file with the extracted tune(s)
Tune-87430-get.log 5340 Log file, useful mostly for debugging
These files should be available for 24 hours.