pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6772-OpenHymnal2011.ps) >>/Users/jc/w/tmp/Tune-6772-get.log 2>&1" returned status 256
http://openhymnal.org/OpenHymnal2011.10.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
Tune-6772-OpenHymnal2011.abc 4120 ABC music file with the extracted tune(s)
Tune-6772-OpenHymnal2011.ps 61358 PostScript
Tune-6772-OpenHymnal2011.txt 4120 Plain-text file with the extracted tune(s)
Tune-6772-get.log 83139 Log file, useful mostly for debugging
Tune-67724-Tame_Her_When_Da_Snaw_Comes-G-32-3.abc 518 ABC music file with the extracted tune(s)
Tune-67724-Tame_Her_When_Da_Snaw_Comes-G-32-3.malt 3789 Musical Instrument Digital Interface, alternate name for midi format
Tune-67724-Tame_Her_When_Da_Snaw_Comes-G-32-3.mid 3789 Musical Instrument Digital interface, shortened name for midi format
Tune-67724-Tame_Her_When_Da_Snaw_Comes-G-32-3.midi 3789 Musical Instrument Digital Interface, electronic version of the tune(s)
Tune-67724-Tame_Her_When_Da_Snaw_Comes-G-32-3.txt 518 Plain-text file with the extracted tune(s)
Tune-67724-get.log 5259 Log file, useful mostly for debugging
These files should be available for 24 hours.