pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-80976-Kristina_Mobergs_P.ps) >>/Users/jc/w/tmp/Tune-80976-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/abc/pols/Kristina_Mobergs_P.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
Form_80976.log 787 Log file, useful mostly for debugging
Tune-80976-Kristina_Mobergs_P.abc 621 ABC music file with the extracted tune(s)
Tune-80976-Kristina_Mobergs_P.ps 37449 PostScript
Tune-80976-Kristina_Mobergs_P.txt 621 Plain-text file with the extracted tune(s)
Tune-80976-get.log 10232 Log file, useful mostly for debugging
These files should be available for 24 hours.