pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-44069-381_Royal_Dozen.ps) >>/Users/jc/w/tmp/Tune-44069-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/DftY/1776/Thompson/381_Royal_Dozen.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-44069-381_Royal_Dozen.abc 1000 ABC music file with the extracted tune(s)
Tune-44069-381_Royal_Dozen.ps 37086 PostScript
Tune-44069-381_Royal_Dozen.txt 1000 Plain-text file with the extracted tune(s)
Tune-44069-get.log 4603 Log file, useful mostly for debugging
These files should be available for 24 hours.