pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-13819-Better_Day_Better_Deed.ps) >>/Users/jc/w/tmp/Tune-13819-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/JohnWalsh/Better_Day_Better_Deed.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Coll_13819.log 455609 Log file, useful mostly for debugging
Tune-13819-Better_Day_Better_Deed.abc 1129 ABC music file with the extracted tune(s)
Tune-13819-Better_Day_Better_Deed.ps 34769 PostScript
Tune-13819-Better_Day_Better_Deed.txt 1129 Plain-text file with the extracted tune(s)
Tune-13819-get.log 4706 Log file, useful mostly for debugging
These files should be available for 24 hours.