pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8594-CR74_B.ps) >>/Users/jc/w/tmp/Tune-8594-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/Contra/CR74_B.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_8594.log 272276 Log file, useful mostly for debugging
Coll_85942.log 64994 Log file, useful mostly for debugging
Coll_85945.log 64994 Log file, useful mostly for debugging
Tune-8594-CR74_B.abc 354 ABC music file with the extracted tune(s)
Tune-8594-CR74_B.ps 34369 PostScript
Tune-8594-CR74_B.txt 354 Plain-text file with the extracted tune(s)
Tune-8594-get.log 4208 Log file, useful mostly for debugging
Tune-85941-get.log 1555 Log file, useful mostly for debugging
Tune-85945-Saint_Annes_Reel_2-D-32-2.abc 278 ABC music file with the extracted tune(s)
Tune-85945-Saint_Annes_Reel_2-D-32-2.txt 278 Plain-text file with the extracted tune(s)
Tune-85945-get.log 3205 Log file, useful mostly for debugging
Tune-85946-get.log 4549 Log file, useful mostly for debugging
These files should be available for 24 hours.