pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-1372-TriptoBuryA_PLFD1702_500.ps) >>/Users/jc/w/tmp/Tune-1372-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/TriptoBuryA_PLFD1702_500.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-1372-TriptoBuryA_PLFD1702_500.abc 375 ABC music file with the extracted tune(s)
Tune-1372-TriptoBuryA_PLFD1702_500.ps 34401 PostScript
Tune-1372-TriptoBuryA_PLFD1702_500.txt 375 Plain-text file with the extracted tune(s)
Tune-1372-get.log 4768 Log file, useful mostly for debugging
Tune-13729-get.log 4160 Log file, useful mostly for debugging
These files should be available for 24 hours.