pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-3658-JacksFarewellThe_PLFD1698_397.ps) >>/Users/jc/w/tmp/Tune-3658-get.log 2>&1" returned status 256
http://john-chambers.us/~jc/music/book/Playford/JacksFarewellThe_PLFD1698_397.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_36580.log 473809 Log file, useful mostly for debugging
Coll_36587.log 448611 Log file, useful mostly for debugging
Coll_36588.log 457009 Log file, useful mostly for debugging
List36584.log 166 Log file, useful mostly for debugging
Tune-3658-JacksFarewellThe_PLFD1698_397.abc 399 ABC music file with the extracted tune(s)
Tune-3658-JacksFarewellThe_PLFD1698_397.ps 33188 PostScript
Tune-3658-JacksFarewellThe_PLFD1698_397.txt 399 Plain-text file with the extracted tune(s)
Tune-3658-get.log 4903 Log file, useful mostly for debugging
Tune-36580-get.log 5314 Log file, useful mostly for debugging
Tune-36583-get.log 4004 Log file, useful mostly for debugging
These files should be available for 24 hours.