pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-8869-ChirpingOfTheNightingale.ps) >>/Users/jc/w/tmp/Tune-8869-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/ChirpingOfTheNightingale.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_88695.log 1369630 Log file, useful mostly for debugging
Coll_88696.log 457009 Log file, useful mostly for debugging
Tune-8869-ChirpingOfTheNightingale.abc 269 ABC music file with the extracted tune(s)
Tune-8869-ChirpingOfTheNightingale.ps 33653 PostScript
Tune-8869-ChirpingOfTheNightingale.txt 269 Plain-text file with the extracted tune(s)
Tune-8869-get.log 4748 Log file, useful mostly for debugging
Tune-88691-get.log 4518 Log file, useful mostly for debugging
Tune-88695-get.log 1426 Log file, useful mostly for debugging
Tune-88699-get.log 4012 Log file, useful mostly for debugging
Tune-88699-jig.abc 174 ABC music file with the extracted tune(s)
Tune-88699-jig.ps 6 PostScript
Tune-88699-jig.txt 174 Plain-text file with the extracted tune(s)
These files should be available for 24 hours.