pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-17100-08_Tar_and_Feathers.ps) >>/Users/jc/w/tmp/Tune-17100-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/DftY/1813/Button_Whitaker/08_Tar_and_Feathers.abc

Error exit status 256; here are some files to check:
[get.cgi V=1/1 B=0 scale=0.55 512x512 PNG]
filesizedescription
Tune-17100-08_Tar_and_Feathers.abc 1212 ABC music file with the extracted tune(s)
Tune-17100-08_Tar_and_Feathers.ps 36704 PostScript
Tune-17100-08_Tar_and_Feathers.txt 1212 Plain-text file with the extracted tune(s)
Tune-17100-get.log 18366 Log file, useful mostly for debugging
These files should be available for 24 hours.