pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-6614-20085_Princess_Royal.ps) >>/Users/jc/w/tmp/Tune-6614-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/EliasHowe/MusiciansCompanionP2/20085_Princess_Royal.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-6614-20085_Princess_Royal.abc 784 ABC music file with the extracted tune(s)
Tune-6614-20085_Princess_Royal.ps 35048 PostScript
Tune-6614-20085_Princess_Royal.txt 784 Plain-text file with the extracted tune(s)
Tune-6614-get.log 13184 Log file, useful mostly for debugging
Tune-66142-get.log 9680 Log file, useful mostly for debugging
Tune-66143-get.log 8993 Log file, useful mostly for debugging
Tune-66144-get.log 9140 Log file, useful mostly for debugging
Tune-66148-get.log 6087 Log file, useful mostly for debugging
Tune-66149-get.log 12896 Log file, useful mostly for debugging
These files should be available for 24 hours.